Simplify super() calls to Python 3 syntax. (#8344)

This converts calls like super(Foo, self) -> super().

Generated with:

    sed -i "" -Ee 's/super\([^\(]+\)/super()/g' **/*.py

38 files changed, 121 insertions, 121 deletions

diff --git a/synapse/rest/client/v1/directory.py b/synapse/rest/client/v1/directory.py
index b210015173..faabeeb91c 100644
--- a/synapse/rest/client/v1/directory.py
+++ b/synapse/rest/client/v1/directory.py
@@ -40,7 +40,7 @@ class ClientDirectoryServer(RestServlet):
     PATTERNS = client_patterns("/directory/room/(?P<room_alias>[^/]*)$", v1=True)
 
     def __init__(self, hs):
-        super(ClientDirectoryServer, self).__init__()
+        super().__init__()
         self.store = hs.get_datastore()
         self.handlers = hs.get_handlers()
         self.auth = hs.get_auth()
@@ -120,7 +120,7 @@ class ClientDirectoryListServer(RestServlet):
     PATTERNS = client_patterns("/directory/list/room/(?P<room_id>[^/]*)$", v1=True)
 
     def __init__(self, hs):
-        super(ClientDirectoryListServer, self).__init__()
+        super().__init__()
         self.store = hs.get_datastore()
         self.handlers = hs.get_handlers()
         self.auth = hs.get_auth()
@@ -160,7 +160,7 @@ class ClientAppserviceDirectoryListServer(RestServlet):
     )
 
     def __init__(self, hs):
-        super(ClientAppserviceDirectoryListServer, self).__init__()
+        super().__init__()
         self.store = hs.get_datastore()
         self.handlers = hs.get_handlers()
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v1/events.py b/synapse/rest/client/v1/events.py
index 25effd0261..985d994f6b 100644
--- a/synapse/rest/client/v1/events.py
+++ b/synapse/rest/client/v1/events.py
@@ -30,7 +30,7 @@ class EventStreamRestServlet(RestServlet):
     DEFAULT_LONGPOLL_TIME_MS = 30000
 
     def __init__(self, hs):
-        super(EventStreamRestServlet, self).__init__()
+        super().__init__()
         self.event_stream_handler = hs.get_event_stream_handler()
         self.auth = hs.get_auth()
 
@@ -74,7 +74,7 @@ class EventRestServlet(RestServlet):
     PATTERNS = client_patterns("/events/(?P<event_id>[^/]*)$", v1=True)
 
     def __init__(self, hs):
-        super(EventRestServlet, self).__init__()
+        super().__init__()
         self.clock = hs.get_clock()
         self.event_handler = hs.get_event_handler()
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v1/initial_sync.py b/synapse/rest/client/v1/initial_sync.py
index 910b3b4eeb..d7042786ce 100644
--- a/synapse/rest/client/v1/initial_sync.py
+++ b/synapse/rest/client/v1/initial_sync.py
@@ -24,7 +24,7 @@ class InitialSyncRestServlet(RestServlet):
     PATTERNS = client_patterns("/initialSync$", v1=True)
 
     def __init__(self, hs):
-        super(InitialSyncRestServlet, self).__init__()
+        super().__init__()
         self.initial_sync_handler = hs.get_initial_sync_handler()
         self.auth = hs.get_auth()
 
diff --git a/synapse/rest/client/v1/login.py b/synapse/rest/client/v1/login.py
index dd8cdc0d9f..250b03a025 100644
--- a/synapse/rest/client/v1/login.py
+++ b/synapse/rest/client/v1/login.py
@@ -48,7 +48,7 @@ class LoginRestServlet(RestServlet):
     APPSERVICE_TYPE = "uk.half-shot.msc2778.login.application_service"
 
     def __init__(self, hs):
-        super(LoginRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
 
         # JWT configuration variables.
@@ -429,7 +429,7 @@ class CasTicketServlet(RestServlet):
     PATTERNS = client_patterns("/login/cas/ticket", v1=True)
 
     def __init__(self, hs):
-        super(CasTicketServlet, self).__init__()
+        super().__init__()
         self._cas_handler = hs.get_cas_handler()
 
     async def on_GET(self, request: SynapseRequest) -> None:
diff --git a/synapse/rest/client/v1/logout.py b/synapse/rest/client/v1/logout.py
index b0c30b65be..f792b50cdc 100644
--- a/synapse/rest/client/v1/logout.py
+++ b/synapse/rest/client/v1/logout.py
@@ -25,7 +25,7 @@ class LogoutRestServlet(RestServlet):
     PATTERNS = client_patterns("/logout$", v1=True)
 
     def __init__(self, hs):
-        super(LogoutRestServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self._auth_handler = hs.get_auth_handler()
         self._device_handler = hs.get_device_handler()
@@ -53,7 +53,7 @@ class LogoutAllRestServlet(RestServlet):
     PATTERNS = client_patterns("/logout/all$", v1=True)
 
     def __init__(self, hs):
-        super(LogoutAllRestServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self._auth_handler = hs.get_auth_handler()
         self._device_handler = hs.get_device_handler()
diff --git a/synapse/rest/client/v1/presence.py b/synapse/rest/client/v1/presence.py
index 970fdd5834..79d8e3057f 100644
--- a/synapse/rest/client/v1/presence.py
+++ b/synapse/rest/client/v1/presence.py
@@ -30,7 +30,7 @@ class PresenceStatusRestServlet(RestServlet):
     PATTERNS = client_patterns("/presence/(?P<user_id>[^/]*)/status", v1=True)
 
     def __init__(self, hs):
-        super(PresenceStatusRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.presence_handler = hs.get_presence_handler()
         self.clock = hs.get_clock()
diff --git a/synapse/rest/client/v1/profile.py b/synapse/rest/client/v1/profile.py
index e7fe50ed72..b686cd671f 100644
--- a/synapse/rest/client/v1/profile.py
+++ b/synapse/rest/client/v1/profile.py
@@ -25,7 +25,7 @@ class ProfileDisplaynameRestServlet(RestServlet):
     PATTERNS = client_patterns("/profile/(?P<user_id>[^/]*)/displayname", v1=True)
 
     def __init__(self, hs):
-        super(ProfileDisplaynameRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.profile_handler = hs.get_profile_handler()
         self.auth = hs.get_auth()
@@ -73,7 +73,7 @@ class ProfileAvatarURLRestServlet(RestServlet):
     PATTERNS = client_patterns("/profile/(?P<user_id>[^/]*)/avatar_url", v1=True)
 
     def __init__(self, hs):
-        super(ProfileAvatarURLRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.profile_handler = hs.get_profile_handler()
         self.auth = hs.get_auth()
@@ -124,7 +124,7 @@ class ProfileRestServlet(RestServlet):
     PATTERNS = client_patterns("/profile/(?P<user_id>[^/]*)", v1=True)
 
     def __init__(self, hs):
-        super(ProfileRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.profile_handler = hs.get_profile_handler()
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v1/push_rule.py b/synapse/rest/client/v1/push_rule.py
index ddf8ed5e9c..f9eecb7cf5 100644
--- a/synapse/rest/client/v1/push_rule.py
+++ b/synapse/rest/client/v1/push_rule.py
@@ -38,7 +38,7 @@ class PushRuleRestServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(PushRuleRestServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.notifier = hs.get_notifier()
diff --git a/synapse/rest/client/v1/pusher.py b/synapse/rest/client/v1/pusher.py
index 5f65cb7d83..28dabf1c7a 100644
--- a/synapse/rest/client/v1/pusher.py
+++ b/synapse/rest/client/v1/pusher.py
@@ -44,7 +44,7 @@ class PushersRestServlet(RestServlet):
     PATTERNS = client_patterns("/pushers$", v1=True)
 
     def __init__(self, hs):
-        super(PushersRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
 
@@ -68,7 +68,7 @@ class PushersSetRestServlet(RestServlet):
     PATTERNS = client_patterns("/pushers/set$", v1=True)
 
     def __init__(self, hs):
-        super(PushersSetRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.notifier = hs.get_notifier()
@@ -153,7 +153,7 @@ class PushersRemoveRestServlet(RestServlet):
     SUCCESS_HTML = b"<html><body>You have been unsubscribed</body><html>"
 
     def __init__(self, hs):
-        super(PushersRemoveRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.notifier = hs.get_notifier()
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v1/room.py b/synapse/rest/client/v1/room.py
index 84baf3d59b..7e64a2e0fe 100644
--- a/synapse/rest/client/v1/room.py
+++ b/synapse/rest/client/v1/room.py
@@ -57,7 +57,7 @@ logger = logging.getLogger(__name__)
 
 class TransactionRestServlet(RestServlet):
     def __init__(self, hs):
-        super(TransactionRestServlet, self).__init__()
+        super().__init__()
         self.txns = HttpTransactionCache(hs)
 
 
@@ -65,7 +65,7 @@ class RoomCreateRestServlet(TransactionRestServlet):
     # No PATTERN; we have custom dispatch rules here
 
     def __init__(self, hs):
-        super(RoomCreateRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self._room_creation_handler = hs.get_room_creation_handler()
         self.auth = hs.get_auth()
 
@@ -111,7 +111,7 @@ class RoomCreateRestServlet(TransactionRestServlet):
 # TODO: Needs unit testing for generic events
 class RoomStateEventRestServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(RoomStateEventRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.handlers = hs.get_handlers()
         self.event_creation_handler = hs.get_event_creation_handler()
         self.room_member_handler = hs.get_room_member_handler()
@@ -229,7 +229,7 @@ class RoomStateEventRestServlet(TransactionRestServlet):
 # TODO: Needs unit testing for generic events + feedback
 class RoomSendEventRestServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(RoomSendEventRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.event_creation_handler = hs.get_event_creation_handler()
         self.auth = hs.get_auth()
 
@@ -280,7 +280,7 @@ class RoomSendEventRestServlet(TransactionRestServlet):
 # TODO: Needs unit testing for room ID + alias joins
 class JoinRoomAliasServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(JoinRoomAliasServlet, self).__init__(hs)
+        super().__init__(hs)
         self.room_member_handler = hs.get_room_member_handler()
         self.auth = hs.get_auth()
 
@@ -343,7 +343,7 @@ class PublicRoomListRestServlet(TransactionRestServlet):
     PATTERNS = client_patterns("/publicRooms$", v1=True)
 
     def __init__(self, hs):
-        super(PublicRoomListRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.hs = hs
         self.auth = hs.get_auth()
 
@@ -448,7 +448,7 @@ class RoomMemberListRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/members$", v1=True)
 
     def __init__(self, hs):
-        super(RoomMemberListRestServlet, self).__init__()
+        super().__init__()
         self.message_handler = hs.get_message_handler()
         self.auth = hs.get_auth()
 
@@ -499,7 +499,7 @@ class JoinedRoomMemberListRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/joined_members$", v1=True)
 
     def __init__(self, hs):
-        super(JoinedRoomMemberListRestServlet, self).__init__()
+        super().__init__()
         self.message_handler = hs.get_message_handler()
         self.auth = hs.get_auth()
 
@@ -518,7 +518,7 @@ class RoomMessageListRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/messages$", v1=True)
 
     def __init__(self, hs):
-        super(RoomMessageListRestServlet, self).__init__()
+        super().__init__()
         self.pagination_handler = hs.get_pagination_handler()
         self.auth = hs.get_auth()
 
@@ -557,7 +557,7 @@ class RoomStateRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/state$", v1=True)
 
     def __init__(self, hs):
-        super(RoomStateRestServlet, self).__init__()
+        super().__init__()
         self.message_handler = hs.get_message_handler()
         self.auth = hs.get_auth()
 
@@ -577,7 +577,7 @@ class RoomInitialSyncRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/initialSync$", v1=True)
 
     def __init__(self, hs):
-        super(RoomInitialSyncRestServlet, self).__init__()
+        super().__init__()
         self.initial_sync_handler = hs.get_initial_sync_handler()
         self.auth = hs.get_auth()
 
@@ -596,7 +596,7 @@ class RoomEventServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RoomEventServlet, self).__init__()
+        super().__init__()
         self.clock = hs.get_clock()
         self.event_handler = hs.get_event_handler()
         self._event_serializer = hs.get_event_client_serializer()
@@ -628,7 +628,7 @@ class RoomEventContextServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RoomEventContextServlet, self).__init__()
+        super().__init__()
         self.clock = hs.get_clock()
         self.room_context_handler = hs.get_room_context_handler()
         self._event_serializer = hs.get_event_client_serializer()
@@ -675,7 +675,7 @@ class RoomEventContextServlet(RestServlet):
 
 class RoomForgetRestServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(RoomForgetRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.room_member_handler = hs.get_room_member_handler()
         self.auth = hs.get_auth()
 
@@ -701,7 +701,7 @@ class RoomForgetRestServlet(TransactionRestServlet):
 # TODO: Needs unit testing
 class RoomMembershipRestServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(RoomMembershipRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.room_member_handler = hs.get_room_member_handler()
         self.auth = hs.get_auth()
 
@@ -792,7 +792,7 @@ class RoomMembershipRestServlet(TransactionRestServlet):
 
 class RoomRedactEventRestServlet(TransactionRestServlet):
     def __init__(self, hs):
-        super(RoomRedactEventRestServlet, self).__init__(hs)
+        super().__init__(hs)
         self.handlers = hs.get_handlers()
         self.event_creation_handler = hs.get_event_creation_handler()
         self.auth = hs.get_auth()
@@ -841,7 +841,7 @@ class RoomTypingRestServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RoomTypingRestServlet, self).__init__()
+        super().__init__()
         self.presence_handler = hs.get_presence_handler()
         self.typing_handler = hs.get_typing_handler()
         self.auth = hs.get_auth()
@@ -914,7 +914,7 @@ class SearchRestServlet(RestServlet):
     PATTERNS = client_patterns("/search$", v1=True)
 
     def __init__(self, hs):
-        super(SearchRestServlet, self).__init__()
+        super().__init__()
         self.handlers = hs.get_handlers()
         self.auth = hs.get_auth()
 
@@ -935,7 +935,7 @@ class JoinedRoomsRestServlet(RestServlet):
     PATTERNS = client_patterns("/joined_rooms$", v1=True)
 
     def __init__(self, hs):
-        super(JoinedRoomsRestServlet, self).__init__()
+        super().__init__()
         self.store = hs.get_datastore()
         self.auth = hs.get_auth()
 
diff --git a/synapse/rest/client/v1/voip.py b/synapse/rest/client/v1/voip.py
index 50277c6cf6..b8d491ca5c 100644
--- a/synapse/rest/client/v1/voip.py
+++ b/synapse/rest/client/v1/voip.py
@@ -25,7 +25,7 @@ class VoipRestServlet(RestServlet):
     PATTERNS = client_patterns("/voip/turnServer$", v1=True)
 
     def __init__(self, hs):
-        super(VoipRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
 
diff --git a/synapse/rest/client/v2_alpha/account.py b/synapse/rest/client/v2_alpha/account.py
index ade97a6708..c3ce0f6259 100644
--- a/synapse/rest/client/v2_alpha/account.py
+++ b/synapse/rest/client/v2_alpha/account.py
@@ -52,7 +52,7 @@ class EmailPasswordRequestTokenRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/password/email/requestToken$")
 
     def __init__(self, hs):
-        super(EmailPasswordRequestTokenRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.datastore = hs.get_datastore()
         self.config = hs.config
@@ -156,7 +156,7 @@ class PasswordRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/password$")
 
     def __init__(self, hs):
-        super(PasswordRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.auth_handler = hs.get_auth_handler()
@@ -282,7 +282,7 @@ class DeactivateAccountRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/deactivate$")
 
     def __init__(self, hs):
-        super(DeactivateAccountRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.auth_handler = hs.get_auth_handler()
@@ -330,7 +330,7 @@ class EmailThreepidRequestTokenRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid/email/requestToken$")
 
     def __init__(self, hs):
-        super(EmailThreepidRequestTokenRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.config = hs.config
         self.identity_handler = hs.get_handlers().identity_handler
@@ -427,7 +427,7 @@ class MsisdnThreepidRequestTokenRestServlet(RestServlet):
 
     def __init__(self, hs):
         self.hs = hs
-        super(MsisdnThreepidRequestTokenRestServlet, self).__init__()
+        super().__init__()
         self.store = self.hs.get_datastore()
         self.identity_handler = hs.get_handlers().identity_handler
 
@@ -606,7 +606,7 @@ class ThreepidRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid$")
 
     def __init__(self, hs):
-        super(ThreepidRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
         self.auth = hs.get_auth()
@@ -662,7 +662,7 @@ class ThreepidAddRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid/add$")
 
     def __init__(self, hs):
-        super(ThreepidAddRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
         self.auth = hs.get_auth()
@@ -713,7 +713,7 @@ class ThreepidBindRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid/bind$")
 
     def __init__(self, hs):
-        super(ThreepidBindRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
         self.auth = hs.get_auth()
@@ -742,7 +742,7 @@ class ThreepidUnbindRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid/unbind$")
 
     def __init__(self, hs):
-        super(ThreepidUnbindRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
         self.auth = hs.get_auth()
@@ -773,7 +773,7 @@ class ThreepidDeleteRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/3pid/delete$")
 
     def __init__(self, hs):
-        super(ThreepidDeleteRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.auth_handler = hs.get_auth_handler()
@@ -852,7 +852,7 @@ class WhoamiRestServlet(RestServlet):
     PATTERNS = client_patterns("/account/whoami$")
 
     def __init__(self, hs):
-        super(WhoamiRestServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
 
     async def on_GET(self, request):
diff --git a/synapse/rest/client/v2_alpha/account_data.py b/synapse/rest/client/v2_alpha/account_data.py
index c1d4cd0caf..87a5b1b86b 100644
--- a/synapse/rest/client/v2_alpha/account_data.py
+++ b/synapse/rest/client/v2_alpha/account_data.py
@@ -34,7 +34,7 @@ class AccountDataServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(AccountDataServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.notifier = hs.get_notifier()
@@ -86,7 +86,7 @@ class RoomAccountDataServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RoomAccountDataServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.notifier = hs.get_notifier()
diff --git a/synapse/rest/client/v2_alpha/account_validity.py b/synapse/rest/client/v2_alpha/account_validity.py
index d06336ceea..bd7f9ae203 100644
--- a/synapse/rest/client/v2_alpha/account_validity.py
+++ b/synapse/rest/client/v2_alpha/account_validity.py
@@ -32,7 +32,7 @@ class AccountValidityRenewServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(AccountValidityRenewServlet, self).__init__()
+        super().__init__()
 
         self.hs = hs
         self.account_activity_handler = hs.get_account_validity_handler()
@@ -67,7 +67,7 @@ class AccountValiditySendMailServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(AccountValiditySendMailServlet, self).__init__()
+        super().__init__()
 
         self.hs = hs
         self.account_activity_handler = hs.get_account_validity_handler()
diff --git a/synapse/rest/client/v2_alpha/auth.py b/synapse/rest/client/v2_alpha/auth.py
index 8e585e9153..097538f968 100644
--- a/synapse/rest/client/v2_alpha/auth.py
+++ b/synapse/rest/client/v2_alpha/auth.py
@@ -124,7 +124,7 @@ class AuthRestServlet(RestServlet):
     PATTERNS = client_patterns(r"/auth/(?P<stagetype>[\w\.]*)/fallback/web")
 
     def __init__(self, hs):
-        super(AuthRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.auth_handler = hs.get_auth_handler()
diff --git a/synapse/rest/client/v2_alpha/capabilities.py b/synapse/rest/client/v2_alpha/capabilities.py
index fe9d019c44..76879ac559 100644
--- a/synapse/rest/client/v2_alpha/capabilities.py
+++ b/synapse/rest/client/v2_alpha/capabilities.py
@@ -32,7 +32,7 @@ class CapabilitiesRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(CapabilitiesRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.config = hs.config
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v2_alpha/devices.py b/synapse/rest/client/v2_alpha/devices.py
index c0714fcfb1..7e174de692 100644
--- a/synapse/rest/client/v2_alpha/devices.py
+++ b/synapse/rest/client/v2_alpha/devices.py
@@ -35,7 +35,7 @@ class DevicesRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(DevicesRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
@@ -57,7 +57,7 @@ class DeleteDevicesRestServlet(RestServlet):
     PATTERNS = client_patterns("/delete_devices")
 
     def __init__(self, hs):
-        super(DeleteDevicesRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
@@ -102,7 +102,7 @@ class DeviceRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(DeviceRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
diff --git a/synapse/rest/client/v2_alpha/filter.py b/synapse/rest/client/v2_alpha/filter.py
index b28da017cd..7cc692643b 100644
--- a/synapse/rest/client/v2_alpha/filter.py
+++ b/synapse/rest/client/v2_alpha/filter.py
@@ -28,7 +28,7 @@ class GetFilterRestServlet(RestServlet):
     PATTERNS = client_patterns("/user/(?P<user_id>[^/]*)/filter/(?P<filter_id>[^/]*)")
 
     def __init__(self, hs):
-        super(GetFilterRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.filtering = hs.get_filtering()
@@ -64,7 +64,7 @@ class CreateFilterRestServlet(RestServlet):
     PATTERNS = client_patterns("/user/(?P<user_id>[^/]*)/filter")
 
     def __init__(self, hs):
-        super(CreateFilterRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.filtering = hs.get_filtering()
diff --git a/synapse/rest/client/v2_alpha/groups.py b/synapse/rest/client/v2_alpha/groups.py
index 13ecf7005d..a3bb095c2d 100644
--- a/synapse/rest/client/v2_alpha/groups.py
+++ b/synapse/rest/client/v2_alpha/groups.py
@@ -32,7 +32,7 @@ class GroupServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/profile$")
 
     def __init__(self, hs):
-        super(GroupServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -66,7 +66,7 @@ class GroupSummaryServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/summary$")
 
     def __init__(self, hs):
-        super(GroupSummaryServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -97,7 +97,7 @@ class GroupSummaryRoomsCatServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupSummaryRoomsCatServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -137,7 +137,7 @@ class GroupCategoryServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupCategoryServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -181,7 +181,7 @@ class GroupCategoriesServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/categories/$")
 
     def __init__(self, hs):
-        super(GroupCategoriesServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -204,7 +204,7 @@ class GroupRoleServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/roles/(?P<role_id>[^/]+)$")
 
     def __init__(self, hs):
-        super(GroupRoleServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -248,7 +248,7 @@ class GroupRolesServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/roles/$")
 
     def __init__(self, hs):
-        super(GroupRolesServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -279,7 +279,7 @@ class GroupSummaryUsersRoleServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupSummaryUsersRoleServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -317,7 +317,7 @@ class GroupRoomServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/rooms$")
 
     def __init__(self, hs):
-        super(GroupRoomServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -343,7 +343,7 @@ class GroupUsersServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/users$")
 
     def __init__(self, hs):
-        super(GroupUsersServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -366,7 +366,7 @@ class GroupInvitedUsersServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/invited_users$")
 
     def __init__(self, hs):
-        super(GroupInvitedUsersServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -389,7 +389,7 @@ class GroupSettingJoinPolicyServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/settings/m.join_policy$")
 
     def __init__(self, hs):
-        super(GroupSettingJoinPolicyServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.groups_handler = hs.get_groups_local_handler()
 
@@ -413,7 +413,7 @@ class GroupCreateServlet(RestServlet):
     PATTERNS = client_patterns("/create_group$")
 
     def __init__(self, hs):
-        super(GroupCreateServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -444,7 +444,7 @@ class GroupAdminRoomsServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupAdminRoomsServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -481,7 +481,7 @@ class GroupAdminRoomsConfigServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupAdminRoomsConfigServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -507,7 +507,7 @@ class GroupAdminUsersInviteServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupAdminUsersInviteServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -536,7 +536,7 @@ class GroupAdminUsersKickServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(GroupAdminUsersKickServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -560,7 +560,7 @@ class GroupSelfLeaveServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/self/leave$")
 
     def __init__(self, hs):
-        super(GroupSelfLeaveServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -584,7 +584,7 @@ class GroupSelfJoinServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/self/join$")
 
     def __init__(self, hs):
-        super(GroupSelfJoinServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -608,7 +608,7 @@ class GroupSelfAcceptInviteServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/self/accept_invite$")
 
     def __init__(self, hs):
-        super(GroupSelfAcceptInviteServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
@@ -632,7 +632,7 @@ class GroupSelfUpdatePublicityServlet(RestServlet):
     PATTERNS = client_patterns("/groups/(?P<group_id>[^/]*)/self/update_publicity$")
 
     def __init__(self, hs):
-        super(GroupSelfUpdatePublicityServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.store = hs.get_datastore()
@@ -655,7 +655,7 @@ class PublicisedGroupsForUserServlet(RestServlet):
     PATTERNS = client_patterns("/publicised_groups/(?P<user_id>[^/]*)$")
 
     def __init__(self, hs):
-        super(PublicisedGroupsForUserServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.store = hs.get_datastore()
@@ -676,7 +676,7 @@ class PublicisedGroupsForUsersServlet(RestServlet):
     PATTERNS = client_patterns("/publicised_groups$")
 
     def __init__(self, hs):
-        super(PublicisedGroupsForUsersServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.store = hs.get_datastore()
@@ -700,7 +700,7 @@ class GroupsForUserServlet(RestServlet):
     PATTERNS = client_patterns("/joined_groups$")
 
     def __init__(self, hs):
-        super(GroupsForUserServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
         self.groups_handler = hs.get_groups_local_handler()
diff --git a/synapse/rest/client/v2_alpha/keys.py b/synapse/rest/client/v2_alpha/keys.py
index 24bb090822..7abd6ff333 100644
--- a/synapse/rest/client/v2_alpha/keys.py
+++ b/synapse/rest/client/v2_alpha/keys.py
@@ -64,7 +64,7 @@ class KeyUploadServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(KeyUploadServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
 
@@ -147,7 +147,7 @@ class KeyQueryServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer):
         """
-        super(KeyQueryServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
 
@@ -177,7 +177,7 @@ class KeyChangesServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer):
         """
-        super(KeyChangesServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.device_handler = hs.get_device_handler()
 
@@ -222,7 +222,7 @@ class OneTimeKeyServlet(RestServlet):
     PATTERNS = client_patterns("/keys/claim$")
 
     def __init__(self, hs):
-        super(OneTimeKeyServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
 
@@ -250,7 +250,7 @@ class SigningKeyUploadServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(SigningKeyUploadServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
@@ -308,7 +308,7 @@ class SignaturesUploadServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(SignaturesUploadServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_keys_handler = hs.get_e2e_keys_handler()
 
diff --git a/synapse/rest/client/v2_alpha/notifications.py b/synapse/rest/client/v2_alpha/notifications.py
index aa911d75ee..87063ec8b1 100644
--- a/synapse/rest/client/v2_alpha/notifications.py
+++ b/synapse/rest/client/v2_alpha/notifications.py
@@ -27,7 +27,7 @@ class NotificationsServlet(RestServlet):
     PATTERNS = client_patterns("/notifications$")
 
     def __init__(self, hs):
-        super(NotificationsServlet, self).__init__()
+        super().__init__()
         self.store = hs.get_datastore()
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
diff --git a/synapse/rest/client/v2_alpha/openid.py b/synapse/rest/client/v2_alpha/openid.py
index 6ae9a5a8e9..5b996e2d63 100644
--- a/synapse/rest/client/v2_alpha/openid.py
+++ b/synapse/rest/client/v2_alpha/openid.py
@@ -60,7 +60,7 @@ class IdTokenServlet(RestServlet):
     EXPIRES_MS = 3600 * 1000
 
     def __init__(self, hs):
-        super(IdTokenServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.clock = hs.get_clock()
diff --git a/synapse/rest/client/v2_alpha/password_policy.py b/synapse/rest/client/v2_alpha/password_policy.py
index 968403cca4..68b27ff23a 100644
--- a/synapse/rest/client/v2_alpha/password_policy.py
+++ b/synapse/rest/client/v2_alpha/password_policy.py
@@ -30,7 +30,7 @@ class PasswordPolicyServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(PasswordPolicyServlet, self).__init__()
+        super().__init__()
 
         self.policy = hs.config.password_policy
         self.enabled = hs.config.password_policy_enabled
diff --git a/synapse/rest/client/v2_alpha/read_marker.py b/synapse/rest/client/v2_alpha/read_marker.py
index 67cbc37312..55c6688f52 100644
--- a/synapse/rest/client/v2_alpha/read_marker.py
+++ b/synapse/rest/client/v2_alpha/read_marker.py
@@ -26,7 +26,7 @@ class ReadMarkerRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/read_markers$")
 
     def __init__(self, hs):
-        super(ReadMarkerRestServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.receipts_handler = hs.get_receipts_handler()
         self.read_marker_handler = hs.get_read_marker_handler()
diff --git a/synapse/rest/client/v2_alpha/receipts.py b/synapse/rest/client/v2_alpha/receipts.py
index 92555bd4a9..6f7246a394 100644
--- a/synapse/rest/client/v2_alpha/receipts.py
+++ b/synapse/rest/client/v2_alpha/receipts.py
@@ -31,7 +31,7 @@ class ReceiptRestServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(ReceiptRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.receipts_handler = hs.get_receipts_handler()
diff --git a/synapse/rest/client/v2_alpha/register.py b/synapse/rest/client/v2_alpha/register.py
index 0705718d00..ffa2dfce42 100644
--- a/synapse/rest/client/v2_alpha/register.py
+++ b/synapse/rest/client/v2_alpha/register.py
@@ -76,7 +76,7 @@ class EmailRegisterRequestTokenRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(EmailRegisterRequestTokenRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
         self.config = hs.config
@@ -174,7 +174,7 @@ class MsisdnRegisterRequestTokenRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(MsisdnRegisterRequestTokenRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.identity_handler = hs.get_handlers().identity_handler
 
@@ -249,7 +249,7 @@ class RegistrationSubmitTokenServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(RegistrationSubmitTokenServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.config = hs.config
@@ -319,7 +319,7 @@ class UsernameAvailabilityRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(UsernameAvailabilityRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.registration_handler = hs.get_registration_handler()
         self.ratelimiter = FederationRateLimiter(
@@ -363,7 +363,7 @@ class RegisterRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(RegisterRestServlet, self).__init__()
+        super().__init__()
 
         self.hs = hs
         self.auth = hs.get_auth()
diff --git a/synapse/rest/client/v2_alpha/relations.py b/synapse/rest/client/v2_alpha/relations.py
index e29f49f7f5..18c75738f8 100644
--- a/synapse/rest/client/v2_alpha/relations.py
+++ b/synapse/rest/client/v2_alpha/relations.py
@@ -61,7 +61,7 @@ class RelationSendServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RelationSendServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.event_creation_handler = hs.get_event_creation_handler()
         self.txns = HttpTransactionCache(hs)
@@ -138,7 +138,7 @@ class RelationPaginationServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RelationPaginationServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.clock = hs.get_clock()
@@ -233,7 +233,7 @@ class RelationAggregationPaginationServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RelationAggregationPaginationServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.event_handler = hs.get_event_handler()
@@ -311,7 +311,7 @@ class RelationAggregationGroupPaginationServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RelationAggregationGroupPaginationServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.clock = hs.get_clock()
diff --git a/synapse/rest/client/v2_alpha/report_event.py b/synapse/rest/client/v2_alpha/report_event.py
index e15927c4ea..215d619ca1 100644
--- a/synapse/rest/client/v2_alpha/report_event.py
+++ b/synapse/rest/client/v2_alpha/report_event.py
@@ -32,7 +32,7 @@ class ReportEventRestServlet(RestServlet):
     PATTERNS = client_patterns("/rooms/(?P<room_id>[^/]*)/report/(?P<event_id>[^/]*)$")
 
     def __init__(self, hs):
-        super(ReportEventRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.clock = hs.get_clock()
diff --git a/synapse/rest/client/v2_alpha/room_keys.py b/synapse/rest/client/v2_alpha/room_keys.py
index 59529707df..53de97923f 100644
--- a/synapse/rest/client/v2_alpha/room_keys.py
+++ b/synapse/rest/client/v2_alpha/room_keys.py
@@ -37,7 +37,7 @@ class RoomKeysServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(RoomKeysServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_room_keys_handler = hs.get_e2e_room_keys_handler()
 
@@ -248,7 +248,7 @@ class RoomKeysNewVersionServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(RoomKeysNewVersionServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_room_keys_handler = hs.get_e2e_room_keys_handler()
 
@@ -301,7 +301,7 @@ class RoomKeysVersionServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(RoomKeysVersionServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.e2e_room_keys_handler = hs.get_e2e_room_keys_handler()
 
diff --git a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
index 39a5518614..bf030e0ff4 100644
--- a/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
+++ b/synapse/rest/client/v2_alpha/room_upgrade_rest_servlet.py
@@ -53,7 +53,7 @@ class RoomUpgradeRestServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(RoomUpgradeRestServlet, self).__init__()
+        super().__init__()
         self._hs = hs
         self._room_creation_handler = hs.get_room_creation_handler()
         self._auth = hs.get_auth()
diff --git a/synapse/rest/client/v2_alpha/sendtodevice.py b/synapse/rest/client/v2_alpha/sendtodevice.py
index db829f3098..bc4f43639a 100644
--- a/synapse/rest/client/v2_alpha/sendtodevice.py
+++ b/synapse/rest/client/v2_alpha/sendtodevice.py
@@ -36,7 +36,7 @@ class SendToDeviceRestServlet(servlet.RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(SendToDeviceRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.txns = HttpTransactionCache(hs)
diff --git a/synapse/rest/client/v2_alpha/shared_rooms.py b/synapse/rest/client/v2_alpha/shared_rooms.py
index 2492634dac..c866d5151c 100644
--- a/synapse/rest/client/v2_alpha/shared_rooms.py
+++ b/synapse/rest/client/v2_alpha/shared_rooms.py
@@ -34,7 +34,7 @@ class UserSharedRoomsServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(UserSharedRoomsServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.user_directory_active = hs.config.update_user_directory
diff --git a/synapse/rest/client/v2_alpha/sync.py b/synapse/rest/client/v2_alpha/sync.py
index a0b00135e1..51e395cc64 100644
--- a/synapse/rest/client/v2_alpha/sync.py
+++ b/synapse/rest/client/v2_alpha/sync.py
@@ -74,7 +74,7 @@ class SyncRestServlet(RestServlet):
     ALLOWED_PRESENCE = {"online", "offline", "unavailable"}
 
     def __init__(self, hs):
-        super(SyncRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.sync_handler = hs.get_sync_handler()
diff --git a/synapse/rest/client/v2_alpha/tags.py b/synapse/rest/client/v2_alpha/tags.py
index a3f12e8a77..bf3a79db44 100644
--- a/synapse/rest/client/v2_alpha/tags.py
+++ b/synapse/rest/client/v2_alpha/tags.py
@@ -31,7 +31,7 @@ class TagListServlet(RestServlet):
     PATTERNS = client_patterns("/user/(?P<user_id>[^/]*)/rooms/(?P<room_id>[^/]*)/tags")
 
     def __init__(self, hs):
-        super(TagListServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
 
@@ -56,7 +56,7 @@ class TagServlet(RestServlet):
     )
 
     def __init__(self, hs):
-        super(TagServlet, self).__init__()
+        super().__init__()
         self.auth = hs.get_auth()
         self.store = hs.get_datastore()
         self.notifier = hs.get_notifier()
diff --git a/synapse/rest/client/v2_alpha/thirdparty.py b/synapse/rest/client/v2_alpha/thirdparty.py
index 23709960ad..0c127a1b5f 100644
--- a/synapse/rest/client/v2_alpha/thirdparty.py
+++ b/synapse/rest/client/v2_alpha/thirdparty.py
@@ -28,7 +28,7 @@ class ThirdPartyProtocolsServlet(RestServlet):
     PATTERNS = client_patterns("/thirdparty/protocols")
 
     def __init__(self, hs):
-        super(ThirdPartyProtocolsServlet, self).__init__()
+        super().__init__()
 
         self.auth = hs.get_auth()
         self.appservice_handler = hs.get_application_service_handler()
@@ -44,7 +44,7 @@ class ThirdPartyProtocolServlet(RestServlet):
     PATTERNS = client_patterns("/thirdparty/protocol/(?P<protocol>[^/]+)$")
 
     def __init__(self, hs):
-        super(ThirdPartyProtocolServlet, self).__init__()
+        super().__init__()
 
         self.auth = hs.get_auth()
         self.appservice_handler = hs.get_application_service_handler()
@@ -65,7 +65,7 @@ class ThirdPartyUserServlet(RestServlet):
     PATTERNS = client_patterns("/thirdparty/user(/(?P<protocol>[^/]+))?$")
 
     def __init__(self, hs):
-        super(ThirdPartyUserServlet, self).__init__()
+        super().__init__()
 
         self.auth = hs.get_auth()
         self.appservice_handler = hs.get_application_service_handler()
@@ -87,7 +87,7 @@ class ThirdPartyLocationServlet(RestServlet):
     PATTERNS = client_patterns("/thirdparty/location(/(?P<protocol>[^/]+))?$")
 
     def __init__(self, hs):
-        super(ThirdPartyLocationServlet, self).__init__()
+        super().__init__()
 
         self.auth = hs.get_auth()
         self.appservice_handler = hs.get_application_service_handler()
diff --git a/synapse/rest/client/v2_alpha/tokenrefresh.py b/synapse/rest/client/v2_alpha/tokenrefresh.py
index 83f3b6b70a..79317c74ba 100644
--- a/synapse/rest/client/v2_alpha/tokenrefresh.py
+++ b/synapse/rest/client/v2_alpha/tokenrefresh.py
@@ -28,7 +28,7 @@ class TokenRefreshRestServlet(RestServlet):
     PATTERNS = client_patterns("/tokenrefresh")
 
     def __init__(self, hs):
-        super(TokenRefreshRestServlet, self).__init__()
+        super().__init__()
 
     async def on_POST(self, request):
         raise AuthError(403, "tokenrefresh is no longer supported.")
diff --git a/synapse/rest/client/v2_alpha/user_directory.py b/synapse/rest/client/v2_alpha/user_directory.py
index bef91a2d3e..ad598cefe0 100644
--- a/synapse/rest/client/v2_alpha/user_directory.py
+++ b/synapse/rest/client/v2_alpha/user_directory.py
@@ -31,7 +31,7 @@ class UserDirectorySearchRestServlet(RestServlet):
         Args:
             hs (synapse.server.HomeServer): server
         """
-        super(UserDirectorySearchRestServlet, self).__init__()
+        super().__init__()
         self.hs = hs
         self.auth = hs.get_auth()
         self.user_directory_handler = hs.get_user_directory_handler()
diff --git a/synapse/rest/client/versions.py b/synapse/rest/client/versions.py
index 24ac57f35d..d5018afbda 100644
--- a/synapse/rest/client/versions.py
+++ b/synapse/rest/client/versions.py
@@ -28,7 +28,7 @@ class VersionsRestServlet(RestServlet):
     PATTERNS = [re.compile("^/_matrix/client/versions$")]
 
     def __init__(self, hs):
-        super(VersionsRestServlet, self).__init__()
+        super().__init__()
         self.config = hs.config
 
     def on_GET(self, request):