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https://issues.apache.org/jira/browse/SPARK-44561?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takuya Ueshin updated SPARK-44561:
----------------------------------
    Fix Version/s:     (was: 4.0.0)

> Fix AssertionError when converting UDTF output to a complex type
> ----------------------------------------------------------------
>
>                 Key: SPARK-44561
>                 URL: https://issues.apache.org/jira/browse/SPARK-44561
>             Project: Spark
>          Issue Type: Sub-task
>          Components: PySpark
>    Affects Versions: 3.5.0
>            Reporter: Allison Wang
>            Priority: Major
>
> {code:java}
> class TestUDTF:
>     def eval(self):
>         yield {'a': 1, 'b': 2},
> udtf(TestUDTF, returnType="x: map<string,int>")().show() {code}
> This will fail with:
>   File "pandas/_libs/lib.pyx", line 2834, in pandas._libs.lib.map_infer
>   File "python/pyspark/sql/pandas/types.py", line 804, in convert_map
>     assert isinstance(value, dict)
> AssertionError
> Same for `convert_struct`



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