Add types to synapse.util. (#10601)

4 files changed, 8 insertions, 3 deletions

diff --git a/synapse/handlers/account_validity.py b/synapse/handlers/account_validity.py
index 078accd634..dd69755053 100644
--- a/synapse/handlers/account_validity.py
+++ b/synapse/handlers/account_validity.py
@@ -398,6 +398,7 @@ class AccountValidityHandler:
         """
         now = self.clock.time_msec()
         if expiration_ts is None:
+            assert self._account_validity_period is not None
             expiration_ts = now + self._account_validity_period
 
         await self.store.set_account_validity_for_user(
diff --git a/synapse/handlers/appservice.py b/synapse/handlers/appservice.py
index 4ab4046650..a7b5a4e9c9 100644
--- a/synapse/handlers/appservice.py
+++ b/synapse/handlers/appservice.py
@@ -131,6 +131,8 @@ class ApplicationServicesHandler:
 
                         now = self.clock.time_msec()
                         ts = await self.store.get_received_ts(event.event_id)
+                        assert ts is not None
+
                         synapse.metrics.event_processing_lag_by_event.labels(
                             "appservice_sender"
                         ).observe((now - ts) / 1000)
@@ -166,6 +168,7 @@ class ApplicationServicesHandler:
                     if events:
                         now = self.clock.time_msec()
                         ts = await self.store.get_received_ts(events[-1].event_id)
+                        assert ts is not None
 
                         synapse.metrics.event_processing_lag.labels(
                             "appservice_sender"
diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py
index 4418d63df7..39b39cd3e2 100644
--- a/synapse/handlers/presence.py
+++ b/synapse/handlers/presence.py
@@ -28,6 +28,7 @@ from bisect import bisect
 from contextlib import contextmanager
 from typing import (
     TYPE_CHECKING,
+    Any,
     Callable,
     Collection,
     Dict,
@@ -615,7 +616,7 @@ class PresenceHandler(BasePresenceHandler):
         super().__init__(hs)
         self.hs = hs
         self.server_name = hs.hostname
-        self.wheel_timer = WheelTimer()
+        self.wheel_timer: WheelTimer[str] = WheelTimer()
         self.notifier = hs.get_notifier()
         self._presence_enabled = hs.config.use_presence
 
@@ -924,7 +925,7 @@ class PresenceHandler(BasePresenceHandler):
 
         prev_state = await self.current_state_for_user(user_id)
 
-        new_fields = {"last_active_ts": self.clock.time_msec()}
+        new_fields: Dict[str, Any] = {"last_active_ts": self.clock.time_msec()}
         if prev_state.state == PresenceState.UNAVAILABLE:
             new_fields["state"] = PresenceState.ONLINE
 
diff --git a/synapse/handlers/typing.py b/synapse/handlers/typing.py
index a97c448595..b84bd5e49a 100644
--- a/synapse/handlers/typing.py
+++ b/synapse/handlers/typing.py
@@ -73,7 +73,7 @@ class FollowerTypingHandler:
         self._room_typing: Dict[str, Set[str]] = {}
 
         self._member_last_federation_poke: Dict[RoomMember, int] = {}
-        self.wheel_timer = WheelTimer(bucket_size=5000)
+        self.wheel_timer: WheelTimer[RoomMember] = WheelTimer(bucket_size=5000)
         self._latest_room_serial = 0
 
         self.clock.looping_call(self._handle_timeouts, 5000)