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-rw-r--r--synapse/storage/databases/main/__init__.py2
-rw-r--r--synapse/storage/databases/main/account_data.py4
-rw-r--r--synapse/storage/databases/main/appservice.py2
-rw-r--r--synapse/storage/databases/main/client_ips.py4
-rw-r--r--synapse/storage/databases/main/deviceinbox.py4
-rw-r--r--synapse/storage/databases/main/devices.py4
-rw-r--r--synapse/storage/databases/main/event_federation.py2
-rw-r--r--synapse/storage/databases/main/event_push_actions.py4
-rw-r--r--synapse/storage/databases/main/events_bg_updates.py2
-rw-r--r--synapse/storage/databases/main/events_worker.py2
-rw-r--r--synapse/storage/databases/main/media_repository.py6
-rw-r--r--synapse/storage/databases/main/monthly_active_users.py4
-rw-r--r--synapse/storage/databases/main/push_rule.py2
-rw-r--r--synapse/storage/databases/main/receipts.py4
-rw-r--r--synapse/storage/databases/main/registration.py6
-rw-r--r--synapse/storage/databases/main/room.py6
-rw-r--r--synapse/storage/databases/main/roommember.py6
-rw-r--r--synapse/storage/databases/main/search.py4
-rw-r--r--synapse/storage/databases/main/state.py6
-rw-r--r--synapse/storage/databases/main/stats.py2
-rw-r--r--synapse/storage/databases/main/stream.py2
-rw-r--r--synapse/storage/databases/main/transactions.py2
-rw-r--r--synapse/storage/databases/main/user_directory.py4
-rw-r--r--synapse/storage/databases/state/bg_updates.py2
-rw-r--r--synapse/storage/databases/state/store.py2
25 files changed, 43 insertions, 45 deletions
diff --git a/synapse/storage/databases/main/__init__.py b/synapse/storage/databases/main/__init__.py
index 2ae2fbd5d7..ccb3384db9 100644
--- a/synapse/storage/databases/main/__init__.py
+++ b/synapse/storage/databases/main/__init__.py
@@ -172,7 +172,7 @@ class DataStore(
         else:
             self._cache_id_gen = None
 
-        super(DataStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._presence_on_startup = self._get_active_presence(db_conn)
 
diff --git a/synapse/storage/databases/main/account_data.py b/synapse/storage/databases/main/account_data.py
index 5f1a2b9aa6..c5a36990e4 100644
--- a/synapse/storage/databases/main/account_data.py
+++ b/synapse/storage/databases/main/account_data.py
@@ -42,7 +42,7 @@ class AccountDataWorkerStore(SQLBaseStore, metaclass=abc.ABCMeta):
             "AccountDataAndTagsChangeCache", account_max
         )
 
-        super(AccountDataWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     @abc.abstractmethod
     def get_max_account_data_stream_id(self):
@@ -313,7 +313,7 @@ class AccountDataStore(AccountDataWorkerStore):
             ],
         )
 
-        super(AccountDataStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     def get_max_account_data_stream_id(self) -> int:
         """Get the current max stream id for the private user data stream
diff --git a/synapse/storage/databases/main/appservice.py b/synapse/storage/databases/main/appservice.py
index 454c0bc50c..85f6b1e3fd 100644
--- a/synapse/storage/databases/main/appservice.py
+++ b/synapse/storage/databases/main/appservice.py
@@ -52,7 +52,7 @@ class ApplicationServiceWorkerStore(SQLBaseStore):
         )
         self.exclusive_user_regex = _make_exclusive_regex(self.services_cache)
 
-        super(ApplicationServiceWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     def get_app_services(self):
         return self.services_cache
diff --git a/synapse/storage/databases/main/client_ips.py b/synapse/storage/databases/main/client_ips.py
index c2fc847fbc..239c7a949c 100644
--- a/synapse/storage/databases/main/client_ips.py
+++ b/synapse/storage/databases/main/client_ips.py
@@ -31,7 +31,7 @@ LAST_SEEN_GRANULARITY = 120 * 1000
 
 class ClientIpBackgroundUpdateStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(ClientIpBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_index_update(
             "user_ips_device_index",
@@ -358,7 +358,7 @@ class ClientIpStore(ClientIpBackgroundUpdateStore):
             name="client_ip_last_seen", keylen=4, max_entries=50000
         )
 
-        super(ClientIpStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.user_ips_max_age = hs.config.user_ips_max_age
 
diff --git a/synapse/storage/databases/main/deviceinbox.py b/synapse/storage/databases/main/deviceinbox.py
index 0044433110..e71217a41f 100644
--- a/synapse/storage/databases/main/deviceinbox.py
+++ b/synapse/storage/databases/main/deviceinbox.py
@@ -283,7 +283,7 @@ class DeviceInboxBackgroundUpdateStore(SQLBaseStore):
     DEVICE_INBOX_STREAM_ID = "device_inbox_stream_drop"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(DeviceInboxBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_index_update(
             "device_inbox_stream_index",
@@ -313,7 +313,7 @@ class DeviceInboxStore(DeviceInboxWorkerStore, DeviceInboxBackgroundUpdateStore)
     DEVICE_INBOX_STREAM_ID = "device_inbox_stream_drop"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(DeviceInboxStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         # Map of (user_id, device_id) to the last stream_id that has been
         # deleted up to. This is so that we can no op deletions.
diff --git a/synapse/storage/databases/main/devices.py b/synapse/storage/databases/main/devices.py
index 306fc6947c..c04374e43d 100644
--- a/synapse/storage/databases/main/devices.py
+++ b/synapse/storage/databases/main/devices.py
@@ -701,7 +701,7 @@ class DeviceWorkerStore(SQLBaseStore):
 
 class DeviceBackgroundUpdateStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(DeviceBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_index_update(
             "device_lists_stream_idx",
@@ -826,7 +826,7 @@ class DeviceBackgroundUpdateStore(SQLBaseStore):
 
 class DeviceStore(DeviceWorkerStore, DeviceBackgroundUpdateStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(DeviceStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         # Map of (user_id, device_id) -> bool. If there is an entry that implies
         # the device exists.
diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py
index 4c3c162acf..6d3689c09e 100644
--- a/synapse/storage/databases/main/event_federation.py
+++ b/synapse/storage/databases/main/event_federation.py
@@ -600,7 +600,7 @@ class EventFederationStore(EventFederationWorkerStore):
     EVENT_AUTH_STATE_ONLY = "event_auth_state_only"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(EventFederationStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_update_handler(
             self.EVENT_AUTH_STATE_ONLY, self._background_delete_non_state_event_auth
diff --git a/synapse/storage/databases/main/event_push_actions.py b/synapse/storage/databases/main/event_push_actions.py
index 7805fb814e..62f1738732 100644
--- a/synapse/storage/databases/main/event_push_actions.py
+++ b/synapse/storage/databases/main/event_push_actions.py
@@ -68,7 +68,7 @@ def _deserialize_action(actions, is_highlight):
 
 class EventPushActionsWorkerStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(EventPushActionsWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         # These get correctly set by _find_stream_orderings_for_times_txn
         self.stream_ordering_month_ago = None
@@ -661,7 +661,7 @@ class EventPushActionsStore(EventPushActionsWorkerStore):
     EPA_HIGHLIGHT_INDEX = "epa_highlight_index"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(EventPushActionsStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_index_update(
             self.EPA_HIGHLIGHT_INDEX,
diff --git a/synapse/storage/databases/main/events_bg_updates.py b/synapse/storage/databases/main/events_bg_updates.py
index e53c6373a8..5e4af2eb51 100644
--- a/synapse/storage/databases/main/events_bg_updates.py
+++ b/synapse/storage/databases/main/events_bg_updates.py
@@ -29,7 +29,7 @@ class EventsBackgroundUpdatesStore(SQLBaseStore):
     DELETE_SOFT_FAILED_EXTREMITIES = "delete_soft_failed_extremities"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(EventsBackgroundUpdatesStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_update_handler(
             self.EVENT_ORIGIN_SERVER_TS_NAME, self._background_reindex_origin_server_ts
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index cd3739c16c..de9e8d1dc6 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -75,7 +75,7 @@ class EventRedactBehaviour(Names):
 
 class EventsWorkerStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(EventsWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         if isinstance(database.engine, PostgresEngine):
             # If we're using Postgres than we can use `MultiWriterIdGenerator`
diff --git a/synapse/storage/databases/main/media_repository.py b/synapse/storage/databases/main/media_repository.py
index 1d76c761a6..cc538c5c10 100644
--- a/synapse/storage/databases/main/media_repository.py
+++ b/synapse/storage/databases/main/media_repository.py
@@ -24,9 +24,7 @@ BG_UPDATE_REMOVE_MEDIA_REPO_INDEX_WITHOUT_METHOD = (
 
 class MediaRepositoryBackgroundUpdateStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(MediaRepositoryBackgroundUpdateStore, self).__init__(
-            database, db_conn, hs
-        )
+        super().__init__(database, db_conn, hs)
 
         self.db_pool.updates.register_background_index_update(
             update_name="local_media_repository_url_idx",
@@ -94,7 +92,7 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore):
     """Persistence for attachments and avatars"""
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(MediaRepositoryStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     async def get_local_media(self, media_id: str) -> Optional[Dict[str, Any]]:
         """Get the metadata for a local piece of media
diff --git a/synapse/storage/databases/main/monthly_active_users.py b/synapse/storage/databases/main/monthly_active_users.py
index 1d793d3deb..e0cedd1aac 100644
--- a/synapse/storage/databases/main/monthly_active_users.py
+++ b/synapse/storage/databases/main/monthly_active_users.py
@@ -28,7 +28,7 @@ LAST_SEEN_GRANULARITY = 60 * 60 * 1000
 
 class MonthlyActiveUsersWorkerStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(MonthlyActiveUsersWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
         self._clock = hs.get_clock()
         self.hs = hs
 
@@ -120,7 +120,7 @@ class MonthlyActiveUsersWorkerStore(SQLBaseStore):
 
 class MonthlyActiveUsersStore(MonthlyActiveUsersWorkerStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(MonthlyActiveUsersStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._limit_usage_by_mau = hs.config.limit_usage_by_mau
         self._mau_stats_only = hs.config.mau_stats_only
diff --git a/synapse/storage/databases/main/push_rule.py b/synapse/storage/databases/main/push_rule.py
index b7a8d34ce1..e20a16f907 100644
--- a/synapse/storage/databases/main/push_rule.py
+++ b/synapse/storage/databases/main/push_rule.py
@@ -77,7 +77,7 @@ class PushRulesWorkerStore(
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(PushRulesWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         if hs.config.worker.worker_app is None:
             self._push_rules_stream_id_gen = StreamIdGenerator(
diff --git a/synapse/storage/databases/main/receipts.py b/synapse/storage/databases/main/receipts.py
index 6568bddd81..f880b5e562 100644
--- a/synapse/storage/databases/main/receipts.py
+++ b/synapse/storage/databases/main/receipts.py
@@ -39,7 +39,7 @@ class ReceiptsWorkerStore(SQLBaseStore, metaclass=abc.ABCMeta):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(ReceiptsWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._receipts_stream_cache = StreamChangeCache(
             "ReceiptsRoomChangeCache", self.get_max_receipt_stream_id()
@@ -386,7 +386,7 @@ class ReceiptsStore(ReceiptsWorkerStore):
             db_conn, "receipts_linearized", "stream_id"
         )
 
-        super(ReceiptsStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     def get_max_receipt_stream_id(self):
         return self._receipts_id_gen.get_current_token()
diff --git a/synapse/storage/databases/main/registration.py b/synapse/storage/databases/main/registration.py
index 01f20c03c2..675e81fe34 100644
--- a/synapse/storage/databases/main/registration.py
+++ b/synapse/storage/databases/main/registration.py
@@ -36,7 +36,7 @@ logger = logging.getLogger(__name__)
 
 class RegistrationWorkerStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RegistrationWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.config = hs.config
         self.clock = hs.get_clock()
@@ -764,7 +764,7 @@ class RegistrationWorkerStore(SQLBaseStore):
 
 class RegistrationBackgroundUpdateStore(RegistrationWorkerStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RegistrationBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.clock = hs.get_clock()
         self.config = hs.config
@@ -892,7 +892,7 @@ class RegistrationBackgroundUpdateStore(RegistrationWorkerStore):
 
 class RegistrationStore(RegistrationBackgroundUpdateStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RegistrationStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._account_validity = hs.config.account_validity
         self._ignore_unknown_session_error = hs.config.request_token_inhibit_3pid_errors
diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py
index 127588ce4c..bd6f9553c6 100644
--- a/synapse/storage/databases/main/room.py
+++ b/synapse/storage/databases/main/room.py
@@ -69,7 +69,7 @@ class RoomSortOrder(Enum):
 
 class RoomWorkerStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.config = hs.config
 
@@ -863,7 +863,7 @@ class RoomBackgroundUpdateStore(SQLBaseStore):
     ADD_ROOMS_ROOM_VERSION_COLUMN = "add_rooms_room_version_column"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.config = hs.config
 
@@ -1074,7 +1074,7 @@ class RoomBackgroundUpdateStore(SQLBaseStore):
 
 class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.config = hs.config
 
diff --git a/synapse/storage/databases/main/roommember.py b/synapse/storage/databases/main/roommember.py
index 91a8b43da3..4fa8767b01 100644
--- a/synapse/storage/databases/main/roommember.py
+++ b/synapse/storage/databases/main/roommember.py
@@ -55,7 +55,7 @@ _CURRENT_STATE_MEMBERSHIP_UPDATE_NAME = "current_state_events_membership"
 
 class RoomMemberWorkerStore(EventsWorkerStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomMemberWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         # Is the current_state_events.membership up to date? Or is the
         # background update still running?
@@ -819,7 +819,7 @@ class RoomMemberWorkerStore(EventsWorkerStore):
 
 class RoomMemberBackgroundUpdateStore(SQLBaseStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomMemberBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
         self.db_pool.updates.register_background_update_handler(
             _MEMBERSHIP_PROFILE_UPDATE_NAME, self._background_add_membership_profile
         )
@@ -973,7 +973,7 @@ class RoomMemberBackgroundUpdateStore(SQLBaseStore):
 
 class RoomMemberStore(RoomMemberWorkerStore, RoomMemberBackgroundUpdateStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(RoomMemberStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     async def forget(self, user_id: str, room_id: str) -> None:
         """Indicate that user_id wishes to discard history for room_id."""
diff --git a/synapse/storage/databases/main/search.py b/synapse/storage/databases/main/search.py
index f01cf2fd02..e34fce6281 100644
--- a/synapse/storage/databases/main/search.py
+++ b/synapse/storage/databases/main/search.py
@@ -89,7 +89,7 @@ class SearchBackgroundUpdateStore(SearchWorkerStore):
     EVENT_SEARCH_USE_GIN_POSTGRES_NAME = "event_search_postgres_gin"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(SearchBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         if not hs.config.enable_search:
             return
@@ -342,7 +342,7 @@ class SearchBackgroundUpdateStore(SearchWorkerStore):
 
 class SearchStore(SearchBackgroundUpdateStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(SearchStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     async def search_msgs(self, room_ids, search_term, keys):
         """Performs a full text search over events with given keys.
diff --git a/synapse/storage/databases/main/state.py b/synapse/storage/databases/main/state.py
index 5c6168e301..3c1e33819b 100644
--- a/synapse/storage/databases/main/state.py
+++ b/synapse/storage/databases/main/state.py
@@ -56,7 +56,7 @@ class StateGroupWorkerStore(EventsWorkerStore, SQLBaseStore):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(StateGroupWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     async def get_room_version(self, room_id: str) -> RoomVersion:
         """Get the room_version of a given room
@@ -320,7 +320,7 @@ class MainStateBackgroundUpdateStore(RoomMemberWorkerStore):
     DELETE_CURRENT_STATE_UPDATE_NAME = "delete_old_current_state_events"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(MainStateBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.server_name = hs.hostname
 
@@ -506,4 +506,4 @@ class StateStore(StateGroupWorkerStore, MainStateBackgroundUpdateStore):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(StateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
diff --git a/synapse/storage/databases/main/stats.py b/synapse/storage/databases/main/stats.py
index 30840dbbaa..d7816a8606 100644
--- a/synapse/storage/databases/main/stats.py
+++ b/synapse/storage/databases/main/stats.py
@@ -61,7 +61,7 @@ TYPE_TO_ORIGIN_TABLE = {"room": ("rooms", "room_id"), "user": ("users", "name")}
 
 class StatsStore(StateDeltasStore):
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(StatsStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.server_name = hs.hostname
         self.clock = self.hs.get_clock()
diff --git a/synapse/storage/databases/main/stream.py b/synapse/storage/databases/main/stream.py
index 7dbe11513b..5dac78e574 100644
--- a/synapse/storage/databases/main/stream.py
+++ b/synapse/storage/databases/main/stream.py
@@ -266,7 +266,7 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore, metaclass=abc.ABCMeta):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs: "HomeServer"):
-        super(StreamWorkerStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._instance_name = hs.get_instance_name()
         self._send_federation = hs.should_send_federation()
diff --git a/synapse/storage/databases/main/transactions.py b/synapse/storage/databases/main/transactions.py
index 091367006e..99cffff50c 100644
--- a/synapse/storage/databases/main/transactions.py
+++ b/synapse/storage/databases/main/transactions.py
@@ -48,7 +48,7 @@ class TransactionStore(SQLBaseStore):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(TransactionStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self._clock.looping_call(self._start_cleanup_transactions, 30 * 60 * 1000)
 
diff --git a/synapse/storage/databases/main/user_directory.py b/synapse/storage/databases/main/user_directory.py
index f2f9a5799a..5a390ff2f6 100644
--- a/synapse/storage/databases/main/user_directory.py
+++ b/synapse/storage/databases/main/user_directory.py
@@ -38,7 +38,7 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore):
     SHARE_PRIVATE_WORKING_SET = 500
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(UserDirectoryBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         self.server_name = hs.hostname
 
@@ -564,7 +564,7 @@ class UserDirectoryStore(UserDirectoryBackgroundUpdateStore):
     SHARE_PRIVATE_WORKING_SET = 500
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(UserDirectoryStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
     async def remove_from_user_dir(self, user_id: str) -> None:
         def _remove_from_user_dir_txn(txn):
diff --git a/synapse/storage/databases/state/bg_updates.py b/synapse/storage/databases/state/bg_updates.py
index 139085b672..acb24e33af 100644
--- a/synapse/storage/databases/state/bg_updates.py
+++ b/synapse/storage/databases/state/bg_updates.py
@@ -181,7 +181,7 @@ class StateBackgroundUpdateStore(StateGroupBackgroundUpdateStore):
     STATE_GROUPS_ROOM_INDEX_UPDATE_NAME = "state_groups_room_id_idx"
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(StateBackgroundUpdateStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
         self.db_pool.updates.register_background_update_handler(
             self.STATE_GROUP_DEDUPLICATION_UPDATE_NAME,
             self._background_deduplicate_state,
diff --git a/synapse/storage/databases/state/store.py b/synapse/storage/databases/state/store.py
index e924f1ca3b..bec3780a32 100644
--- a/synapse/storage/databases/state/store.py
+++ b/synapse/storage/databases/state/store.py
@@ -52,7 +52,7 @@ class StateGroupDataStore(StateBackgroundUpdateStore, SQLBaseStore):
     """
 
     def __init__(self, database: DatabasePool, db_conn, hs):
-        super(StateGroupDataStore, self).__init__(database, db_conn, hs)
+        super().__init__(database, db_conn, hs)
 
         # Originally the state store used a single DictionaryCache to cache the
         # event IDs for the state types in a given state group to avoid hammering