diff --git a/dask/array/creation.py b/dask/array/creation.py
index 8884a06c7..c35c191f2 100644
--- a/dask/array/creation.py
+++ b/dask/array/creation.py
@@ -905,7 +905,7 @@ def pad_stats(array, pad_width, mode, *args):
 
 
 def wrapped_pad_func(array, pad_func, iaxis_pad_width, iaxis, pad_func_kwargs):
-    result = array.copy()
+    result = np.empty_like(array)
     for i in np.ndindex(array.shape[:iaxis] + array.shape[iaxis + 1:]):
         i = i[:iaxis] + (slice(None),) + i[iaxis:]
         result[i] = pad_func(array[i], iaxis_pad_width, iaxis, pad_func_kwargs)
diff --git a/dask/dataframe/core.py b/dask/dataframe/core.py
index 1557791bd..6959539a3 100644
--- a/dask/dataframe/core.py
+++ b/dask/dataframe/core.py
@@ -2490,9 +2490,13 @@ class DataFrame(_Frame):
         raise NotImplementedError(key)
 
     def __setitem__(self, key, value):
-        if isinstance(key, (tuple, list)):
+        if isinstance(key, (tuple, list)) and isinstance(value, DataFrame):
             df = self.assign(**{k: value[c]
                                 for k, c in zip(key, value.columns)})
+
+        elif isinstance(key, pd.Index) and not isinstance(value, DataFrame):
+            key = list(key)
+            df = self.assign(**{k: value for k in key})
         else:
             df = self.assign(**{key: value})
 

DataFrame.__setitem__ fails for index
```python
In [10]: import pandas as pd

In [11]: import dask.dataframe as dd

In [12]: df = pd.DataFrame({"A": [1, 2], "B": [3, 4]})

In [13]: ddf = dd.from_pandas(df, 2)

In [14]: df[df.columns] = 1

In [15]: ddf[ddf.columns] = 1
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-15-736f0f46dec1> in <module>()
----> 1 ddf[ddf.columns] = 1

~/sandbox/dask/dask/dataframe/core.py in __setitem__(self, key, value)
   2430                                 for k, c in zip(key, value.columns)})
   2431         else:
-> 2432             df = self.assign(**{key: value})
   2433
   2434         self.dask = df.dask

~/Envs/dask-dev/lib/python3.6/site-packages/pandas/core/indexes/base.py in __hash__(self)
   2060
   2061     def __hash__(self):
-> 2062         raise TypeError("unhashable type: %r" % type(self).__name__)
   2063
   2064     def __setitem__(self, key, value):

TypeError: unhashable type: 'Index'
```

pandas index objects aren't hashable, putting them in a dictionary fails. We should probably special Index objects in `DataFrame.__setitem__` and convert them to lists.
diff --git a/dask/dataframe/tests/test_dataframe.py b/dask/dataframe/tests/test_dataframe.py
index 58f79bf73..7a42bb91e 100644
--- a/dask/dataframe/tests/test_dataframe.py
+++ b/dask/dataframe/tests/test_dataframe.py
@@ -3320,3 +3320,11 @@ def test_partitions_indexer():
     assert ddf.x.partitions[:3].npartitions == 3
 
     assert ddf.x.partitions[::2].compute().tolist() == [0, 1, 4, 5, 8, 9]
+
+
+def test_setitem():
+    df = pd.DataFrame({"A": [1, 2], "B": [3, 4]})
+    ddf = dd.from_pandas(df.copy(), 2)
+    df[df.columns] = 1
+    ddf[ddf.columns] = 1
+    assert_eq(df, ddf)

pip install -e .[complete]
parse_log_pytest
requirements.txt
pytest
3.7
requirements/base.txt
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
certifi @ file:///croot/certifi_1671487769961/work/certifi
click==8.1.8
cloudpickle==2.2.1
-e git+https://github.com/dask/dask.git@f52e073b89469c2d687aa7a93f55e57992f8b16e#egg=dask
distributed==1.28.1
exceptiongroup==1.2.2
HeapDict==1.0.1
importlib-metadata==6.7.0
iniconfig==2.0.0
locket==1.0.0
msgpack==1.0.5
numpy==1.21.6
packaging==24.0
pandas==1.3.5
partd==1.4.1
pluggy==1.2.0
psutil==7.0.0
pytest==7.4.4
python-dateutil==2.9.0.post0
pytz==2025.2
PyYAML==6.0.1
six==1.17.0
sortedcontainers==2.4.0
tblib==2.0.0
tomli==2.0.1
toolz==0.12.1
tornado==6.2
typing_extensions==4.7.1
zict==2.2.0
zipp==3.15.0

name: dask
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2022.12.7=py37h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.4.4=h6a678d5_1
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - pip=22.3.1=py37h06a4308_0
  - python=3.7.16=h7a1cb2a_0
  - readline=8.2=h5eee18b_0
  - setuptools=65.6.3=py37h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - wheel=0.38.4=py37h06a4308_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - click==8.1.8
      - cloudpickle==2.2.1
      - distributed==1.28.1
      - exceptiongroup==1.2.2
      - heapdict==1.0.1
      - importlib-metadata==6.7.0
      - iniconfig==2.0.0
      - locket==1.0.0
      - msgpack==1.0.5
      - numpy==1.21.6
      - packaging==24.0
      - pandas==1.3.5
      - partd==1.4.1
      - pluggy==1.2.0
      - psutil==7.0.0
      - pytest==7.4.4
      - python-dateutil==2.9.0.post0
      - pytz==2025.2
      - pyyaml==6.0.1
      - six==1.17.0
      - sortedcontainers==2.4.0
      - tblib==2.0.0
      - tomli==2.0.1
      - toolz==0.12.1
      - tornado==6.2
      - typing-extensions==4.7.1
      - zict==2.2.0
      - zipp==3.15.0
prefix: /opt/conda/envs/dask

dask/dataframe/tests/test_dataframe.py::test_setitem
dask/dataframe/tests/test_dataframe.py::test_Index dask/dataframe/tests/test_dataframe.py::test_attributes dask/dataframe/tests/test_dataframe.py::test_clip[2-5] dask/dataframe/tests/test_dataframe.py::test_clip[2.5-3.5] dask/dataframe/tests/test_dataframe.py::test_dataframe_picklable dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-1-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-2-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-4-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-M8[ns]-5-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-1-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-2-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-4-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>1-M8[ns]-5-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_freq_divisions dask/dataframe/tests/test_dataframe.py::test_repartition_freq_month dask/dataframe/tests/test_dataframe.py::test_str_accessor dask/dataframe/tests/test_dataframe.py::test_select_dtypes[include0-None] dask/dataframe/tests/test_dataframe.py::test_select_dtypes[None-exclude1] dask/dataframe/tests/test_dataframe.py::test_select_dtypes[include2-exclude2] dask/dataframe/tests/test_dataframe.py::test_select_dtypes[include3-None] dask/dataframe/tests/test_dataframe.py::test_to_timestamp dask/dataframe/tests/test_dataframe.py::test_to_dask_array_raises[False0] dask/dataframe/tests/test_dataframe.py::test_to_dask_array_raises[False1] dask/dataframe/tests/test_dataframe.py::test_apply dask/dataframe/tests/test_dataframe.py::test_apply_warns dask/dataframe/tests/test_dataframe.py::test_apply_infer_columns dask/dataframe/tests/test_dataframe.py::test_index_time_properties dask/dataframe/tests/test_dataframe.py::test_info dask/dataframe/tests/test_dataframe.py::test_groupby_multilevel_info dask/dataframe/tests/test_dataframe.py::test_timeseries_sorted dask/dataframe/tests/test_dataframe.py::test_idxmaxmin[idx2-True] dask/dataframe/tests/test_dataframe.py::test_idxmaxmin[idx2-False] dask/dataframe/tests/test_dataframe.py::test_shift dask/dataframe/tests/test_dataframe.py::test_shift_with_freq dask/dataframe/tests/test_dataframe.py::test_first_and_last[first] dask/dataframe/tests/test_dataframe.py::test_first_and_last[last] dask/dataframe/tests/test_dataframe.py::test_datetime_loc_open_slicing
dask/dataframe/tests/test_dataframe.py::test_Dataframe dask/dataframe/tests/test_dataframe.py::test_head_tail dask/dataframe/tests/test_dataframe.py::test_head_npartitions dask/dataframe/tests/test_dataframe.py::test_head_npartitions_warn dask/dataframe/tests/test_dataframe.py::test_index_head dask/dataframe/tests/test_dataframe.py::test_Series dask/dataframe/tests/test_dataframe.py::test_Scalar dask/dataframe/tests/test_dataframe.py::test_column_names dask/dataframe/tests/test_dataframe.py::test_index_names dask/dataframe/tests/test_dataframe.py::test_timezone_freq[1] dask/dataframe/tests/test_dataframe.py::test_rename_columns dask/dataframe/tests/test_dataframe.py::test_rename_series dask/dataframe/tests/test_dataframe.py::test_rename_series_method dask/dataframe/tests/test_dataframe.py::test_describe dask/dataframe/tests/test_dataframe.py::test_describe_empty dask/dataframe/tests/test_dataframe.py::test_cumulative dask/dataframe/tests/test_dataframe.py::test_dropna dask/dataframe/tests/test_dataframe.py::test_squeeze dask/dataframe/tests/test_dataframe.py::test_where_mask dask/dataframe/tests/test_dataframe.py::test_map_partitions_multi_argument dask/dataframe/tests/test_dataframe.py::test_map_partitions dask/dataframe/tests/test_dataframe.py::test_map_partitions_names dask/dataframe/tests/test_dataframe.py::test_map_partitions_column_info dask/dataframe/tests/test_dataframe.py::test_map_partitions_method_names dask/dataframe/tests/test_dataframe.py::test_map_partitions_keeps_kwargs_readable dask/dataframe/tests/test_dataframe.py::test_metadata_inference_single_partition_aligned_args dask/dataframe/tests/test_dataframe.py::test_drop_duplicates dask/dataframe/tests/test_dataframe.py::test_drop_duplicates_subset dask/dataframe/tests/test_dataframe.py::test_get_partition dask/dataframe/tests/test_dataframe.py::test_ndim dask/dataframe/tests/test_dataframe.py::test_dtype dask/dataframe/tests/test_dataframe.py::test_value_counts dask/dataframe/tests/test_dataframe.py::test_unique dask/dataframe/tests/test_dataframe.py::test_isin dask/dataframe/tests/test_dataframe.py::test_len dask/dataframe/tests/test_dataframe.py::test_size dask/dataframe/tests/test_dataframe.py::test_shape dask/dataframe/tests/test_dataframe.py::test_nbytes dask/dataframe/tests/test_dataframe.py::test_quantile dask/dataframe/tests/test_dataframe.py::test_quantile_missing dask/dataframe/tests/test_dataframe.py::test_empty_quantile dask/dataframe/tests/test_dataframe.py::test_dataframe_quantile dask/dataframe/tests/test_dataframe.py::test_index dask/dataframe/tests/test_dataframe.py::test_assign dask/dataframe/tests/test_dataframe.py::test_assign_callable dask/dataframe/tests/test_dataframe.py::test_map dask/dataframe/tests/test_dataframe.py::test_concat dask/dataframe/tests/test_dataframe.py::test_args dask/dataframe/tests/test_dataframe.py::test_known_divisions dask/dataframe/tests/test_dataframe.py::test_unknown_divisions dask/dataframe/tests/test_dataframe.py::test_with_min_count dask/dataframe/tests/test_dataframe.py::test_align[inner] dask/dataframe/tests/test_dataframe.py::test_align[outer] dask/dataframe/tests/test_dataframe.py::test_align[left] dask/dataframe/tests/test_dataframe.py::test_align[right] dask/dataframe/tests/test_dataframe.py::test_align_axis[inner] dask/dataframe/tests/test_dataframe.py::test_align_axis[outer] dask/dataframe/tests/test_dataframe.py::test_align_axis[left] dask/dataframe/tests/test_dataframe.py::test_align_axis[right] dask/dataframe/tests/test_dataframe.py::test_combine dask/dataframe/tests/test_dataframe.py::test_combine_first dask/dataframe/tests/test_dataframe.py::test_random_partitions dask/dataframe/tests/test_dataframe.py::test_series_round dask/dataframe/tests/test_dataframe.py::test_repartition_divisions dask/dataframe/tests/test_dataframe.py::test_repartition_on_pandas_dataframe dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-1-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-2-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-4-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-4-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-5-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-2-5-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-4-1-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-4-1-False] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-4-2-True] dask/dataframe/tests/test_dataframe.py::test_repartition_npartitions[<lambda>0-int-4-2-False] 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dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[sum] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[mean] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[std] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[var] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[count] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[min] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[max] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[idxmin] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[idxmax] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[prod] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[all] dask/dataframe/tests/test_dataframe.py::test_dataframe_reductions_arithmetic[sem] dask/dataframe/tests/test_dataframe.py::test_to_datetime dask/dataframe/tests/test_dataframe.py::test_to_timedelta dask/dataframe/tests/test_dataframe.py::test_isna[values0] dask/dataframe/tests/test_dataframe.py::test_isna[values1] dask/dataframe/tests/test_dataframe.py::test_slice_on_filtered_boundary[0] dask/dataframe/tests/test_dataframe.py::test_slice_on_filtered_boundary[9] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_nonmonotonic dask/dataframe/tests/test_dataframe.py::test_with_boundary[-1-None-False-False-drop0] dask/dataframe/tests/test_dataframe.py::test_with_boundary[-1-None-False-True-drop1] dask/dataframe/tests/test_dataframe.py::test_with_boundary[None-3-False-False-drop2] dask/dataframe/tests/test_dataframe.py::test_with_boundary[None-3-True-False-drop3] dask/dataframe/tests/test_dataframe.py::test_with_boundary[-0.5-None-False-False-drop4] dask/dataframe/tests/test_dataframe.py::test_with_boundary[-0.5-None-False-True-drop5] dask/dataframe/tests/test_dataframe.py::test_with_boundary[-1.5-None-False-True-drop6] dask/dataframe/tests/test_dataframe.py::test_with_boundary[None-3.5-False-False-drop7] dask/dataframe/tests/test_dataframe.py::test_with_boundary[None-3.5-True-False-drop8] dask/dataframe/tests/test_dataframe.py::test_with_boundary[None-2.5-False-False-drop9] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index0-0-9] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index1--1-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index2-None-10] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index3-None-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index4--1-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index5-None-2] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index6--2-3] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index7-None-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index8-left8-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index9-None-right9] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index10-left10-None] dask/dataframe/tests/test_dataframe.py::test_boundary_slice_same[index11-None-right11] dask/dataframe/tests/test_dataframe.py::test_better_errors_object_reductions dask/dataframe/tests/test_dataframe.py::test_sample_empty_partitions dask/dataframe/tests/test_dataframe.py::test_coerce dask/dataframe/tests/test_dataframe.py::test_bool dask/dataframe/tests/test_dataframe.py::test_cumulative_multiple_columns dask/dataframe/tests/test_dataframe.py::test_map_partition_array[asarray] dask/dataframe/tests/test_dataframe.py::test_map_partition_array[func1] dask/dataframe/tests/test_dataframe.py::test_mixed_dask_array_operations dask/dataframe/tests/test_dataframe.py::test_mixed_dask_array_operations_errors dask/dataframe/tests/test_dataframe.py::test_mixed_dask_array_multi_dimensional dask/dataframe/tests/test_dataframe.py::test_meta_raises dask/dataframe/tests/test_dataframe.py::test_map_partitions_delays_large_inputs dask/dataframe/tests/test_dataframe.py::test_partitions_indexer
dask/dataframe/core.py dask/array/creation.py
dask/dataframe/core.py dask/array/creation.py