🦉 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]

tests/system/small/test_dataframe.py

@@ -30,9 +30,9 @@
 import bigframes._config.display_options as display_options
 import bigframes.core.indexes as bf_indexes
 import bigframes.dataframe as dataframe
+import bigframes.dtypes as dtypes
 import bigframes.pandas as bpd
 import bigframes.series as series
-import bigframes.dtypes as dtypes
 from tests.system.utils import (
     assert_dfs_equivalent,
     assert_pandas_df_equal,
@@ -4595,9 +4595,7 @@ def test_df_drop_duplicates_w_json(json_df, keep):
     )
 
     pd_df = json_pandas_df.drop_duplicates(keep=keep)
-    pd_df["json_col"] = pd_df["json_col"].astype(
-        dtypes.JSON_DTYPE
-    )
+    pd_df["json_col"] = pd_df["json_col"].astype(dtypes.JSON_DTYPE)
     pd.testing.assert_frame_equal(
         pd_df,
         bf_df,