[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

pandas/tests/dtypes/test_dtypes.py

@@ -1103,6 +1103,7 @@ def test_update_dtype_errors(self, bad_dtype):
         with pytest.raises(ValueError, match=msg):
             dtype.update_dtype(bad_dtype)
 
+
 @pytest.mark.parametrize(
     "dtype", [CategoricalDtype, IntervalDtype, DatetimeTZDtype, PeriodDtype]
 )

pandas/tests/extension/test_arrow.py

@@ -50,8 +50,8 @@
 )
 
 import pandas as pd
-import pandas._testing as tm
 from pandas import Series
+import pandas._testing as tm
 from pandas.api.extensions import no_default
 from pandas.api.types import (
     is_bool_dtype,
@@ -3514,11 +3514,11 @@ def test_map_numeric_na_action():
 def test_pyarrow_timestamp_tz_preserved(tz):
     s = Series(
         pd.to_datetime(range(5), unit="h", utc=True).tz_convert(tz),
-        dtype=f"timestamp[ns, tz={tz}][pyarrow]"
+        dtype=f"timestamp[ns, tz={tz}][pyarrow]",
     )
 
     result = s.convert_dtypes(dtype_backend="pyarrow")
     assert result.dtype == s.dtype, f"Expected {s.dtype}, got {result.dtype}"
 
     assert str(result.iloc[0].tzinfo) == str(s.iloc[0].tzinfo)
-    tm.assert_series_equal(result, s)
+    tm.assert_series_equal(result, s)