Joris Van den Bossche created ARROW-5201:
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Summary: [Python] Import ABCs from collections is deprecated in
Python 3.7
Key: ARROW-5201
URL: https://issues.apache.org/jira/browse/ARROW-5201
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Joris Van den Bossche
>From running the tests, I see a few deprecation warnings related to that on
>Python 3, abstract base classes should be imported from `collections.abc`
>instead of `collections`:
{code:none}
pyarrow/tests/test_array.py:808
/home/joris/scipy/repos/arrow/python/pyarrow/tests/test_array.py:808:
DeprecationWarning: Using or importing the ABCs from 'collections' instead of
from 'collections.abc' is deprecated, and in 3.8 it will stop working
pa.struct([pa.field('a', pa.int64()), pa.field('b', pa.string())]))
pyarrow/tests/test_table.py:18
/home/joris/scipy/repos/arrow/python/pyarrow/tests/test_table.py:18:
DeprecationWarning: Using or importing the ABCs from 'collections' instead of
from 'collections.abc' is deprecated, and in 3.8 it will stop working
from collections import OrderedDict, Iterable
pyarrow/tests/test_feather.py::TestFeatherReader::test_non_string_columns
/home/joris/scipy/repos/arrow/python/pyarrow/pandas_compat.py:294:
DeprecationWarning: Using or importing the ABCs from 'collections' instead of
from 'collections.abc' is deprecated, and in 3.8 it will stop working
elif isinstance(name, collections.Sequence):{code}
Those could be imported depending on python 2/3 in the ``pyarrow.compat``
module.
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