🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

Author: gcf-owl-bot[bot]

google/api_core/retry.py

@@ -204,7 +204,9 @@ def retry_target(
         try:
             result = target()
             if inspect.isawaitable(result):
-                raise exceptions.GoogleAPIError("Warning: Use google.api_core.retry_async.AsyncRetry for async calls!")
+                raise exceptions.GoogleAPIError(
+                    "Warning: Use google.api_core.retry_async.AsyncRetry for async calls!"
+                )
             return result
 
         # pylint: disable=broad-except

tests/asyncio/test_retry_async.py

@@ -96,6 +96,7 @@ async def test_retry_target_non_retryable_error(utcnow, sleep):
     assert exc_info.value == exception
     sleep.assert_not_called()
 
+
 @mock.patch("asyncio.sleep", autospec=True)
 @mock.patch(
     "google.api_core.datetime_helpers.utcnow",
@@ -105,7 +106,9 @@ async def test_retry_target_non_retryable_error(utcnow, sleep):
 @pytest.mark.asyncio
 async def test_retry_target_warning_for_retry(utcnow, sleep):
     predicate = retry.if_exception_type(exceptions.GoogleAPICallError)
-    exception = exceptions.GoogleAPICallError("Warning: Use google.api_core.retry_async.AsyncRetry for async calls!")
+    exception = exceptions.GoogleAPICallError(
+        "Warning: Use google.api_core.retry_async.AsyncRetry for async calls!"
+    )
     target = mock.Mock(side_effect=exception)
 
     with pytest.raises(exceptions.GoogleAPICallError) as exc_info: