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https://issues.apache.org/jira/browse/ARROW-10072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Krisztian Szucs updated ARROW-10072:
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Description:
Since there is no sequence converter available for Dictionary type we cannot
construct it directly so pa.scalar fail as the reducer function to reconstruct
them.
> [Python] Add custom pickle reducers for UnionScalar
> ---------------------------------------------------
>
> Key: ARROW-10072
> URL: https://issues.apache.org/jira/browse/ARROW-10072
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Krisztian Szucs
> Priority: Major
>
> Since there is no sequence converter available for Dictionary type we cannot
> construct it directly so pa.scalar fail as the reducer function to
> reconstruct them.
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