Sander Goos created ARROW-16547:
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Summary: PyArrow to_pandas fails with FixedOffset timezones when
timestamp_as_object is used
Key: ARROW-16547
URL: https://issues.apache.org/jira/browse/ARROW-16547
Project: Apache Arrow
Issue Type: Bug
Components: Python
Reporter: Sander Goos
Attachments: pyarrow_to_pandas_repro.py
The `to_pandas` method fails with "ValueError: fromutc: dt.tzinfo is not self"
when timestamp_as_object=True and a timezone with a fixed offset is used. E.g.
"+08:00"
Repro script attached.
The problem seems to be that `fromutc` is called on the tzinfo object here,
which is not working when the object is pytz._FixedOffset:
[https://github.com/apache/arrow/blob/90aac16761b7dbf5fe931bc8837cad5116939270/cpp/src/arrow/python/arrow_to_pandas.cc#L1068]
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