Add missing type hints to tests.replication. (#14987)

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/replication/tcp/streams/test_partial_state.py b/tests/replication/tcp/streams/test_partial_state.py

index 2c10eab4db..38b5020ce0 100644
--- a/tests/replication/tcp/streams/test_partial_state.py
+++ b/tests/replication/tcp/streams/test_partial_state.py
@@ -23,7 +23,7 @@ class PartialStateStreamsTestCase(BaseMultiWorkerStreamTestCase):
     hijack_auth = True
     user_id = "@bob:test"
 
-    def setUp(self):
+    def setUp(self) -> None:
         super().setUp()
         self.store = self.hs.get_datastores().main