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

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

xarray/core/dataset.py

@@ -289,7 +289,6 @@ def _maybe_chunk(
     chunked_array_type: str | ChunkManagerEntrypoint | None = None,
     from_array_kwargs=None,
 ):
-
     from xarray.namedarray.daskmanager import DaskManager
 
     if chunks is not None:

xarray/core/indexing.py

@@ -1418,7 +1418,6 @@ def __init__(self, array):
         self.array = array
 
     def __getitem__(self, key):
-
         if isinstance(key, BasicIndexer):
             return self.array[key.tuple]
         elif isinstance(key, VectorizedIndexer):

xarray/tests/test_cftime_offsets.py

@@ -1690,7 +1690,6 @@ def test_new_to_legacy_freq_anchored(year_alias, n):
     ),
 )
 def test_legacy_to_new_freq_pd_freq_passthrough(freq, expected):
-
     result = _legacy_to_new_freq(freq)
     assert result == expected
 
@@ -1716,7 +1715,6 @@ def test_legacy_to_new_freq_pd_freq_passthrough(freq, expected):
     ),
 )
 def test_new_to_legacy_freq_pd_freq_passthrough(freq, expected):
-
     result = _new_to_legacy_freq(freq)
     assert result == expected