Antoine Pitrou created ARROW-3557:
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Summary: [Python] Set language_level in Cython sources
Key: ARROW-3557
URL: https://issues.apache.org/jira/browse/ARROW-3557
Project: Apache Arrow
Issue Type: Improvement
Components: Python
Affects Versions: 0.11.0
Reporter: Antoine Pitrou
Cython 0.29.0 emits the following warning:
{code}
C:\Miniconda36-x64\envs\arrow\lib\site-packages\Cython\Compiler\Main.py:367:
FutureWarning: Cython directive 'language_level' not set, using 2 for now
(Py2). This will change in a later release! File:
C:\projects\arrow\python\pyarrow\_parquet.pxd
{code}
We should probably try to switch it to Python 3.
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