Fix remaining mypy issues due to Twisted upgrade. (#9608)

1 files changed, 2 insertions, 0 deletions

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

index 863f6da738..2287d20076 100644
--- a/tests/server.py
+++ b/tests/server.py
@@ -16,6 +16,7 @@ from twisted.internet.interfaces import (
     IReactorPluggableNameResolver,
     IReactorTCP,
     IResolverSimple,
+    ITransport,
 )
 from twisted.python.failure import Failure
 from twisted.test.proto_helpers import AccumulatingProtocol, MemoryReactorClock
@@ -467,6 +468,7 @@ def get_clock():
     return clock, hs_clock
 
 
+@implementer(ITransport)
 @attr.s(cmp=False)
 class FakeTransport:
     """