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https://issues.apache.org/jira/browse/BEAM-517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15523965#comment-15523965
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Robert Bradshaw commented on BEAM-517:
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+1, please file a PR
I don't think we rely on any recent version of Cython, maybe just ask for
0.23.2 (released just over a year ago). Might also be worth using
distutils.version for comparisons.
> Check versions of pip and cython
> --------------------------------
>
> Key: BEAM-517
> URL: https://issues.apache.org/jira/browse/BEAM-517
> Project: Beam
> Issue Type: Improvement
> Components: sdk-py
> Reporter: Ahmet Altay
> Priority: Minor
> Labels: starter
>
> Python SDK depends on pip and cython however it does not check the versions
> of these.
> Some of the pip flags does not exist in older versions:
> https://github.com/GoogleCloudPlatform/DataflowPythonSDK/issues/28#issuecomment-236382953
> (Note: Even though the above issue was reported by the user in a different
> repo it is related to the apache beam sdk)
> Similarly with cython, SDK supports running with or without Cython. Because
> of that reason it is not list it as a requirement in the setup.py file.
> However, with an old version of cython SDK might fail.
> To avoid the above problem: In the SDK check the version of these packages
> and show a warning to upgrade.
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