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https://issues.apache.org/jira/browse/ARROW-6015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16961908#comment-16961908
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Sascha Hofmann edited comment on ARROW-6015 at 10/29/19 2:20 PM:
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We were observing the same error with a conda installation of pyarrow 0.15.0.
Previously (on 0.14.1) we were running error-free. After updating the DLL
loading failed error started popping up. We finally fixed it by installing the
Visual C++ Redistributables *2019.* Neither the 2015 or 2017 versions were
fixing the issue!
_Edit:_ After restarting the machine, we are now seeing the error again. We are
on Windows 10 and are using conda to install pyarrow.
was (Author: saschahofmann):
We were observing the same error with a conda installation of pyarrow 0.15.0.
Previously (on 0.14.1) we were running error-free. After updating the DLL
loading failed error started popping up. We finally fixed it by installing the
Visual C++ Redistributables *2019.* Neither the 2015 or 2017 versions were
fixing the issue!
> [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: pull-request-available, wheel
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> 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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