jorisvandenbossche commented on issue #36412:
URL: https://github.com/apache/arrow/issues/36412#issuecomment-2150293032
Currently, the only remaining warnings in the pandas nightly builds are :
```
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/test_pandas.py::TestConvertMetadata::test_empty_list_metadata
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/test_pandas.py::TestConvertListTypes::test_empty_list_roundtrip
/opt/conda/envs/arrow/lib/python3.11/site-packages/pandas/core/dtypes/missing.py:503:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
return lib.array_equivalent_object(left, right)
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/test_pandas.py:
2 warnings
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/parquet/test_data_types.py:
3 warnings
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/parquet/test_pandas.py:
2 warnings
opt/conda/envs/arrow/lib/python3.11/site-packages/pyarrow/tests/parquet/test_parquet_file.py:
6 warnings
/opt/conda/envs/arrow/lib/python3.11/site-packages/pandas/core/dtypes/missing.py:504:
DeprecationWarning: The truth value of an empty array is ambiguous. Returning
False, but in future this will result in an error. Use `array.size > 0` to
check that an array is not empty.
if not lib.array_equivalent_object(left[~mask], right[~mask]):
```
I assume those warnings are actually coming from numpy, but are raised in
the pandas function we use (would have to look in more detail to see if this is
an issue that should be fixed in pandas, or in how we use the pandas function)
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