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https://issues.apache.org/jira/browse/SPARK-30665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17770575#comment-17770575
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Colin Dean commented on SPARK-30665:
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While researching a problem we're encountering while trying to install any of
PySpark 2.3-2.4 — upgrading past that is not an option presently — we're
finding that {{pypandoc}} changed its API in a recent release, thereby breaking
setup.py on these old PySpark releases because these releases did not specify a
bound on the dependency.
What are the chances that the patch that removes the {{pypandoc}} requirement
could accepted as a backport to a 2.3 or 2.4 release? I'm happy to put up the
PR to the branches if there's a process for nudging a 2.3.5 and 2.4.9 out to
make those minor releases installable again.
> Eliminate pypandoc dependency
> -----------------------------
>
> Key: SPARK-30665
> URL: https://issues.apache.org/jira/browse/SPARK-30665
> Project: Spark
> Issue Type: Improvement
> Components: Build, Documentation, PySpark
> Affects Versions: 3.0.0
> Reporter: Nicholas Chammas
> Assignee: Nicholas Chammas
> Priority: Minor
> Fix For: 3.0.0
>
>
> PyPI now supports Markdown project descriptions, so we no longer need to
> convert the Spark README into ReStructuredText and thus no longer need
> pypandoc.
> Removing pypandoc has the added benefit of eliminating the failure mode
> described in [this PR|https://github.com/apache/spark/pull/18981].
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