[jira] [Created] (SPARK-36035) Make `test_astype` work with all pandas versions in pandas API on Spark

["Xinrong Meng (Jira)" <ji...@apache.org>]

Xinrong Meng created SPARK-36035:
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             Summary: Make `test_astype` work with all pandas versions in pandas API on Spark
                 Key: SPARK-36035
                 URL: https://issues.apache.org/jira/browse/SPARK-36035
             Project: Spark
          Issue Type: Test
          Components: PySpark
    Affects Versions: 3.2.0
            Reporter: Xinrong Meng


For pandas < 1.1.0, declaring or converting to StringDtype was in general only possible if the data was already only str or nan-like (GH31204). 

In pandas 1.1.0, the problem is adjusted by https://pandas.pydata.org/pandas-docs/stable/whatsnew/v1.1.0.html#all-dtypes-can-now-be-converted-to-stringdtype.

That should be considered in `test_astype`, otherwise, current tests will fail with pandas < 1.1.0.




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