Shortening line to pass flake

Author: mr-mcox

pandas_gbq/gbq.py

@@ -894,7 +894,9 @@ def to_gbq(dataframe, destination_table, project_id, chunksize=10000,
             connector.delete_and_recreate_table(
                 dataset_id, table_id, table_schema)
         elif if_exists == 'append':
-            if not connector.schema_is_subset(dataset_id, table_id, table_schema):
+            if not connector.schema_is_subset(dataset_id,
+                                              table_id,
+                                              table_schema):
                 raise InvalidSchema("Please verify that the structure and "
                                     "data types in the DataFrame match the "
                                     "schema of the destination table.")