[jira] [Resolved] (ARROW-1124) [Python] pyarrow needs to depend on numpy>=1.10 (not 1.9)

["Uwe L. Korn (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-1124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe L. Korn resolved ARROW-1124.
--------------------------------
    Resolution: Fixed

Issue resolved by pull request 758
[https://github.com/apache/arrow/pull/758]

> [Python] pyarrow needs to depend on numpy>=1.10 (not 1.9)
> ---------------------------------------------------------
>
>                 Key: ARROW-1124
>                 URL: https://issues.apache.org/jira/browse/ARROW-1124
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: Python
>    Affects Versions: 0.4.1
>            Reporter: Dima Ryazanov
>            Assignee: Uwe L. Korn
>            Priority: Minor
>
> The pyarrow package lists numpy >= 1.9 as a dependency in setup.py - however, it causes an exception at import time with numpy 1.9.
> Repro steps:
> {{$ pip install numpy==1.9
> ...
> $ pip install pyarrow
> ...
> $ python -c 'import pyarrow'
> RuntimeError: module compiled against API version a but this version of numpy is 9
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
>   File "/home/dima/envs/pyarrow-bug/lib/python2.7/site-packages/pyarrow/__init__.py", line 28, in <module>
>     from pyarrow.lib import cpu_count, set_cpu_count
>   File "pyarrow/lib.pyx", line 40, in init pyarrow.lib (/arrow/python/build/temp.linux-x86_64-2.7/lib.cxx:62119)
> ImportError: numpy.core.multiarray failed to import
> }}
> (Additionally, requirements.txt lists "numpy>=1.7" - though it doesn't look like it's used at all.)



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