Igor Yastrebov created ARROW-6227:
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Summary: [Python] pyarrow.array() shouldn't coerce np.nan to string
Key: ARROW-6227
URL: https://issues.apache.org/jira/browse/ARROW-6227
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 0.14.1
Reporter: Igor Yastrebov
pa.array() by default regards np.nan as float value and fails on
pa.array([np.nan, 'string']). It should also fail on pa.array(['string',
np.nan]) instead of coercing it to null value.
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