1 files changed, 1 insertions, 1 deletions
diff --git a/tests/app/test_homeserver_start.py b/tests/app/test_homeserver_start.py
index cbcada0451..788c935537 100644
--- a/tests/app/test_homeserver_start.py
+++ b/tests/app/test_homeserver_start.py
@@ -19,7 +19,7 @@ from tests.config.utils import ConfigFileTestCase
 
 
 class HomeserverAppStartTestCase(ConfigFileTestCase):
-    def test_wrong_start_caught(self):
+    def test_wrong_start_caught(self) -> None:
         # Generate a config with a worker_app
         self.generate_config()
         # Add a blank line as otherwise the next addition ends up on a line with a comment