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https://issues.apache.org/jira/browse/ARROW-6015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16919843#comment-16919843
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Kazuaki Ishizaki commented on ARROW-6015:
-----------------------------------------
I cannot reproduce this issue on my Windows 10 environment by using two pythons
(conda and python) with [this
whl|https://github.com/ursa-labs/crossbow/releases/download/build-669-appveyor-wheel-win-cp37m/pyarrow-0.14.1-cp37-cp37m-win_amd64.whl]
Do I miss something to reproduce this failure?
{code:java}
$ wget https://www.python.org/ftp/python/3.7.4/python-3.7.4-embed-amd64.zip
$ unzip python-3.7.4-embed-amd64.zip
$ cd python-3.7.4-embed-amd64
$ wget https://bootstrap.pypa.io/get-pip.py
$ python get-pip.py
$ wget pyarrow-0.14.1-cp37-cp37m-win_amd64.whl
$ python -m pip install pyarrow-0.14.1-cp37-cp37m-win_amd64.whl
...
Successfully installed numpy-1.17.1 pyarrow-0.14.1 six-1.12.0
$ python
Python 3.7.4 (tags/v3.7.4:e09359112e, Jul 8 2019, 20:34:20) [MSC v.1916 64 bit
(AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyarrow
>>> print (pyarrow.cpu_count())
4
>>>
{code}
{code:java}
$ activate arrow-dev
$ wget pyarrow-0.14.1-cp37-cp37m-win_amd64.whl
$ pip install pyarrow-0.14.1-cp37-cp37m-win_amd64.whl
...
Installing collected packages: pyarrow
Successfully installed pyarrow-0.14.1
>python
Python 3.7.3 | packaged by conda-forge | (default, Jul 1 2019, 22:01:29) [MSC
v.1900 64 bit (AMD64)] :: Anaconda, Inc. on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyarrow
>>> print (pyarrow.cpu_count())
4
>>>
{code}
> [Python] pyarrow wheel: `DLL load failed` when importing on windows
> --------------------------------------------------------------------
>
> Key: ARROW-6015
> URL: https://issues.apache.org/jira/browse/ARROW-6015
> Project: Apache Arrow
> Issue Type: Bug
> Components: Packaging, Python
> Affects Versions: 0.14.1
> Reporter: Ruslan Kuprieiev
> Priority: Major
> Labels: wheel
> Fix For: 0.15.0
>
>
> When installing pyarrow 0.14.1 on windows 10 x64 with python 3.7, you get:
> >>> import pyarrow
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "C:\Python37\lib\site-packages\pyarrow\__init__.py", line 49, in
> <module>
> from pyarrow.lib import cpu_count, set_cpu_count
> ImportError: DLL load failed: The specified module could not be found.
> On 0.14.0 everything works fine.
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