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BUG: empty strings raise in non-ISO8601 formats but parse as NaT elsewhere #50252

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Merged
phofl merged 5 commits into from
Dec 16, 2022
Merged

BUG: empty strings raise in non-ISO8601 formats but parse as NaT elsewhere #50252

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716d32b
empty strings -> nat
Dec 14, 2022
dd89926
Merge remote-tracking branch 'upstream/main' into empty-strings
Dec 15, 2022
9296a3e
:truck: rename func
Dec 15, 2022
bcaf6c0
parametrise over iso and non-iso
Dec 15, 2022
4fa657f
Merge branch 'main' into empty-strings
MarcoGorelli Dec 15, 2022
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Merge remote-tracking branch 'upstream/main' into empty-strings
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MarcoGorelli committed Dec 15, 2022
commit dd899269f8bb2c04d211af73d710b3c73e8b067b
2 changes: 1 addition & 1 deletion doc/source/whatsnew/v2.0.0.rst
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Expand Up @@ -781,8 +781,8 @@ Datetimelike
- Bug in ``pandas.tseries.holiday.Holiday`` where a half-open date interval causes inconsistent return types from :meth:`USFederalHolidayCalendar.holidays` (:issue:`49075`)
- Bug in rendering :class:`DatetimeIndex` and :class:`Series` and :class:`DataFrame` with timezone-aware dtypes with ``dateutil`` or ``zoneinfo`` timezones near daylight-savings transitions (:issue:`49684`)
- Bug in :func:`to_datetime` was raising ``ValueError`` when parsing :class:`Timestamp`, ``datetime.datetime``, ``datetime.date``, or ``np.datetime64`` objects when non-ISO8601 ``format`` was passed (:issue:`49298`, :issue:`50036`)
- Bug in :class:`Timestamp` was showing ``UserWarning`` which was not actionable by users (:issue:`50232`)
- Bug in :func:`to_datetime` was raising ``ValueError`` when parsing empty string and non-ISO8601 format was passed. Now, empty strings will be parsed as :class:`NaT`, for compatibility with how is done for ISO8601 formats (:issue:`50251`)
- Bug in :class:`Timestamp` was showing ``UserWarning``, which was not actionable by users, when parsing non-ISO8601 delimited date strings (:issue:`50232`)
-

Timedelta
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