Update packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/writer.py

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: parthea

packages/google-cloud-bigquery-storage/google/cloud/bigquery_storage_v1/writer.py

@@ -211,7 +211,7 @@ def _renew_connection(self, reason: Optional[Exception] = None) -> None:
         # critical section, this step is not guaranteed to be atomic.
         _closed_connection._shutdown(reason=reason)
 
-    def _on_rpc_done(self, reason: Optional[BaseException | Exception] = None) -> None:
+    def _on_rpc_done(self, reason: Optional[BaseException] = None) -> None:
         """Callback passecd to _Connection. It's called when the RPC connection
         is closed without recovery. Spins up a new thread to call the helper
         function `_renew_connection()`, which creates a new connection and