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BUG: passing TDA and wrong freq to TimedeltaIndex #31268

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Merged
jreback merged 4 commits into from
Jan 25, 2020
Merged

BUG: passing TDA and wrong freq to TimedeltaIndex #31268

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5ecd6a3
BUG: passing TDA and wrong freq to TimedeltaIndex
jbrockmendel Jan 24, 2020
fae5d22
Merge branch 'master' of https://github.com/pandas-dev/pandas into bu…
jbrockmendel Jan 24, 2020
f73d203
Merge branch 'master' of https://github.com/pandas-dev/pandas into bu…
jbrockmendel Jan 24, 2020
0401e27
restore fastpath
jbrockmendel Jan 24, 2020
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2 changes: 1 addition & 1 deletion pandas/core/indexes/timedeltas.py
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Original file line number Diff line number Diff line change
Expand Up @@ -163,7 +163,7 @@ def __new__(
"represent unambiguous timedelta values durations."
)

if isinstance(data, TimedeltaArray):
if isinstance(data, TimedeltaArray) and freq is None:
if copy:
data = data.copy()
return cls._simple_new(data, name=name, freq=freq)
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6 changes: 6 additions & 0 deletions pandas/tests/indexes/timedeltas/test_constructors.py
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Expand Up @@ -47,6 +47,12 @@ def test_infer_from_tdi_mismatch(self):
# GH#23789
TimedeltaArray(tdi, freq="D")

with pytest.raises(ValueError, match=msg):
TimedeltaIndex(tdi._data, freq="D")

with pytest.raises(ValueError, match=msg):
TimedeltaArray(tdi._data, freq="D")

def test_dt64_data_invalid(self):
# GH#23539
# passing tz-aware DatetimeIndex raises, naive or ndarray[datetime64]
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