[ARROW-3374] [Python] Dictionary has out-of-bound index when creating DictionaryArray from Pandas with NaN

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.10.0
• Fix Version/s: 0.11.0
• Component/s: Python
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/19704
• Assignee: Wes McKinney
• Reporter: Keith Kraus
• Created: 01/Oct/18 00:51
• Updated: 11/Jan/23 07:27
• Resolved: 01/Oct/18 10:10

Description

Minimal reproducer:

import pandas as pd
import pyarrow as pa

pa.array(pd.Categorical(['a', 'b', 'c'], categories=['a', 'b']))

Issue Links

• links to: GitHub Pull Request #2670