style fix

rekby · rekby · commit 8aee8e15903d · 2023-03-20T19:03:26.000+03:00
diff --git a/ydb/_topic_common/common.py b/ydb/_topic_common/common.py
@@ -30,7 +30,7 @@ def wrapper(rpc_state, response_pb, driver=None):
 
 
 _shared_event_loop_lock = threading.Lock()
-_shared_event_loop = None  # type: Optional[asyncio.AbstractEventLoop]
+_shared_event_loop: Optional[asyncio.AbstractEventLoop] = None
 
 
 def _get_shared_event_loop() -> asyncio.AbstractEventLoop:
