Create a SynapseReactor type which incorporates the necessary reactor interfaces. (#9528)

This helps fix some type hints when running with Twisted 21.2.0.

1 files changed, 2 insertions, 3 deletions

diff --git a/synapse/server.py b/synapse/server.py

index afd7cd72e7..369cc88026 100644
--- a/synapse/server.py
+++ b/synapse/server.py
@@ -36,7 +36,6 @@ from typing import (
     cast,
 )
 
-import twisted.internet.base
 import twisted.internet.tcp
 from twisted.internet import defer
 from twisted.mail.smtp import sendmail
@@ -130,7 +129,7 @@ from synapse.server_notices.worker_server_notices_sender import (
 from synapse.state import StateHandler, StateResolutionHandler
 from synapse.storage import Databases, DataStore, Storage
 from synapse.streams.events import EventSources
-from synapse.types import DomainSpecificString
+from synapse.types import DomainSpecificString, ISynapseReactor
 from synapse.util import Clock
 from synapse.util.distributor import Distributor
 from synapse.util.ratelimitutils import FederationRateLimiter
@@ -291,7 +290,7 @@ class HomeServer(metaclass=abc.ABCMeta):
         for i in self.REQUIRED_ON_BACKGROUND_TASK_STARTUP:
             getattr(self, "get_" + i + "_handler")()
 
-    def get_reactor(self) -> twisted.internet.base.ReactorBase:
+    def get_reactor(self) -> ISynapseReactor:
         """
         Fetch the Twisted reactor in use by this HomeServer.
         """