[Got duplicated after removing pickle](https://github.com/apache/arrow/pull/2428/commits/dd4562047316cfa0946ab5deadc456fda0aef8ae#diff-a01a3e7cbe0d7dd0ec300a725ac0c0c6L182)
[ Full content available at: https://github.com/apache/arrow/pull/2502 ] This message was relayed via gitbox.apache.org for [email protected]
