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Uwe L. Korn commented on ARROW-511: ----------------------------------- PR: https://github.com/apache/arrow/pull/320 > [Python] List[T] conversions not implemented for single arrays > -------------------------------------------------------------- > > Key: ARROW-511 > URL: https://issues.apache.org/jira/browse/ARROW-511 > Project: Apache Arrow > Issue Type: Bug > Components: Python > Reporter: Wes McKinney > Assignee: Uwe L. Korn > > It works for tables, though > {code} > In [2]: import pyarrow as pa > In [3]: arr = pa.from_pylist([[1,2,3], None, [1, 2], [], [4]]) > In [4]: arr.to_pandas() > --------------------------------------------------------------------------- > ArrowException Traceback (most recent call last) > <ipython-input-4-fb16f53a4747> in <module>() > ----> 1 arr.to_pandas() > /home/wesm/code/arrow/python/pyarrow/array.pyx in > pyarrow.array.Array.to_pandas > (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/array.cxx:4271)() > /home/wesm/code/arrow/python/pyarrow/error.pyx in pyarrow.error.check_status > (/home/wesm/code/arrow/python/build/temp.linux-x86_64-3.5/error.cxx:1197)() > ArrowException: NotImplemented: Arrow type reading not implemented for > list<item: int64> > {code} -- This message was sent by Atlassian JIRA (v6.3.15#6346)