Uwe Korn created ARROW-9066:
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Summary: [Python] Raise correct error in isnull()
Key: ARROW-9066
URL: https://issues.apache.org/jira/browse/ARROW-9066
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 0.17.1
Reporter: Uwe Korn
Assignee: Uwe Korn-- This message was sent by Atlassian Jira (v8.3.4#803005)
