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https://issues.apache.org/jira/browse/ARROW-6878?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Antoine Pitrou reassigned ARROW-6878:
-------------------------------------
Assignee: Antoine Pitrou
> [Python] pa.array() does not handle list of dicts with bytes keys correctly
> under python3
> -----------------------------------------------------------------------------------------
>
> Key: ARROW-6878
> URL: https://issues.apache.org/jira/browse/ARROW-6878
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Zhuo Peng
> Assignee: Antoine Pitrou
> Priority: Major
>
> It creates sub-arrays with nulls filled, instead of the provided values.
> $ python
> Python 3.6.8 (default, Jan 3 2019, 03:42:36)
> [GCC 8.2.0] on linux
> Type "help", "copyright", "credits" or "license" for more information.
> >>> import pyarrow as pa
> >>> pa.__version__
> '0.15.0'
> >>> a = pa.array([\{b"a": [1, 2, 3]}])
> >>> a
> <pyarrow.lib.StructArray object at 0x7fdcb4c28168>
> -- is_valid: all not null
> -- child 0 type: list<item: int64>
> [
> null
> ]
> >>> a = pa.array([\{"a": [1, 2, 3]}])
> >>> a
> <pyarrow.lib.StructArray object at 0x7fdcb4c28108>
> -- is_valid: all not null
> -- child 0 type: list<item: int64>
> [
> [
> 1,
> 2,
> 3
> ]
> ]
>
> It works under python2.
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