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BUG: fix to_datetime(dti, utc=True) #27733

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Merged
merged 5 commits into from
Aug 5, 2019
Merged

BUG: fix to_datetime(dti, utc=True) #27733

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90eb285
BUG: fix to_datetime(dti, utc=True)
jbrockmendel Aug 3, 2019
624437e
whatsnew, suggested edits
jbrockmendel Aug 4, 2019
2226635
parametrize
jbrockmendel Aug 4, 2019
84c85d3
Merge branch 'master' of https://github.com/pandas-dev/pandas into todt
jbrockmendel Aug 4, 2019
b0d8fbc
backquotes
jbrockmendel Aug 4, 2019
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3 changes: 3 additions & 0 deletions pandas/core/tools/datetimes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -334,6 +334,9 @@ def _convert_listlike_datetimes(
return DatetimeIndex(arg, tz=tz, name=name)
except ValueError:
pass
elif box and tz:
# DatetimeArray, DatetimeIndex
return arg.tz_localize(tz)

return arg

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10 changes: 10 additions & 0 deletions pandas/tests/indexes/datetimes/test_tools.py
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Expand Up @@ -1623,6 +1623,16 @@ def test_dayfirst(self, cache):
tm.assert_index_equal(expected, idx5)
tm.assert_index_equal(expected, idx6)

def test_to_datetime_dta_tz(self):
dti = date_range("2015-04-05", periods=3).rename("foo")
expected = dti.tz_localize("UTC")
result = to_datetime(dti, utc=True)
tm.assert_index_equal(result, expected)

dta = dti._data
result = to_datetime(dta, utc=True)
tm.assert_equal(result, expected._data)


class TestGuessDatetimeFormat:
@td.skip_if_not_us_locale
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