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https://issues.apache.org/jira/browse/ARROW-10282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17212333#comment-17212333
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Joris Van den Bossche commented on ARROW-10282:
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Other example is the test with the custom MyInt class
(https://github.com/apache/arrow/blob/0b481523b7502a984788d93b822a335894ffe648/python/pyarrow/tests/test_convert_builtin.py#L377)
> [Python] Conversion from custom types (eg decimal) to int dtype raises warning
> ------------------------------------------------------------------------------
>
> Key: ARROW-10282
> URL: https://issues.apache.org/jira/browse/ARROW-10282
> Project: Apache Arrow
> Issue Type: Bug
> Components: Python
> Reporter: Joris Van den Bossche
> Priority: Major
>
> {code:python}
> In [2]: import decimal
> In [3]: pa.array([decimal.Decimal("123456")], pa.int32())
> DeprecationWarning: an integer is required (got type decimal.Decimal).
> Implicit conversion to integers using __int__ is deprecated, and may be
> removed in a future version of Python.
> Out[3]:
> <pyarrow.lib.Int32Array object at 0x7f4432032b80>
> [
> 123456,
> ]
> {code}
> cc [~kszucs]
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