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BUG: Series.__delete__ with EA casts to object #40386

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jbrockmendel opened this issue Mar 12, 2021 · 0 comments · Fixed by #40763
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BUG: Series.__delete__ with EA casts to object #40386

jbrockmendel opened this issue Mar 12, 2021 · 0 comments · Fixed by #40763
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Bug ExtensionArray Extending pandas with custom dtypes or arrays.
Milestone
1.3

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@jbrockmendel
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it calls np.delete, which casts to ndarray, which for e.g. PeriodDtype will cast to object

dti = pd.date_range("2016-01-01", periods=3, tz="US/Pacific")
ser = pd.Series(dti)

del ser[1]

>>> ser
0    2016-01-01 00:00:00-08:00
2    2016-01-03 00:00:00-08:00
dtype: object
@jbrockmendel jbrockmendel added Bug Needs Triage Issue that has not been reviewed by a pandas team member labels Mar 12, 2021
@jbrockmendel jbrockmendel added ExtensionArray Extending pandas with custom dtypes or arrays. and removed Needs Triage Issue that has not been reviewed by a pandas team member labels Mar 24, 2021
This was referenced Apr 1, 2021
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@jreback jreback added this to the 1.3 milestone Apr 5, 2021
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Bug ExtensionArray Extending pandas with custom dtypes or arrays.
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BUG: Series.__delitem__ converting EAs to ndarrays jbrockmendel/pandas
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