fix: whitespace

Author: Rishav Kumar

zulip_bots/zulip_bots/tests/test_finder.py

@@ -28,5 +28,4 @@ def test_import_metadata_standard(self) -> None:
             # Assert that the correct import was chosen
             self.assertEqual(result, "Using standard library importlib.metadata")
             self.assertEqual(metadata("some_package"), "mocked_metadata")
-            mock_metadata.assert_called_once_with("some_package")
-            
+            mock_metadata.assert_called_once_with("some_package")