[jira] [Commented] (SPARK-34629) Python type hints improvement

["Hyukjin Kwon (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-34629?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17295698#comment-17295698 ] 

Hyukjin Kwon commented on SPARK-34629:
--------------------------------------

cc [~zero323], [~itholic], [~ueshin], [~XinrongM] FYI

> Python type hints improvement
> -----------------------------
>
>                 Key: SPARK-34629
>                 URL: https://issues.apache.org/jira/browse/SPARK-34629
>             Project: Spark
>          Issue Type: Improvement
>          Components: PySpark
>    Affects Versions: 3.1.2
>            Reporter: Hyukjin Kwon
>            Priority: Critical
>
> We added PySpark type hints at SPARK-32681
> However, looks like there are still many missing APIs to type. I maintain a project called [Koalas](https://github.com/databricks/koalas), and I found these errors https://gist.github.com/HyukjinKwon/9faabc5f2680b56007d71ef7cf0ad400
> For example, {{pyspark.__version__}} and {{pyspark.sql.Column.contains}} are missing in the type hints.
> This umbrella JIRA targets to identify such cases and improve Python type hints in PySpark.



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