Joris Van den Bossche created ARROW-6224:
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Summary: [Python] remaining usages of the 'data' attribute (from
previous Column) cause warnings
Key: ARROW-6224
URL: https://issues.apache.org/jira/browse/ARROW-6224
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Joris Van den Bossche
When writing a file to feather, you get those warnings:
{code}
In [45]: pd.DataFrame({'a': [1, 2, 3]}).to_feather('test.feather')
/home/joris/scipy/repos/arrow/python/pyarrow/feather.py:62: FutureWarning:
Calling .data on ChunkedArray is provided for compatibility after Column was
removed, simply drop this attribute
if col.data.num_chunks == 1:
/home/joris/scipy/repos/arrow/python/pyarrow/feather.py:97: FutureWarning:
Calling .data on ChunkedArray is provided for compatibility after Column was
removed, simply drop this attribute
self.writer.write_array(name, col.data.chunk(0))
{code}
Since they are coming from pyarrow itself, we can (should) fix them.
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