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COMPAT: empty IntervalIndexis np.int64 dtype #19106

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Merged
merged 1 commit into from
Jan 7, 2018
Merged

COMPAT: empty IntervalIndexis np.int64 dtype #19106

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2 changes: 1 addition & 1 deletion pandas/core/indexes/interval.py
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Original file line number Diff line number Diff line change
Expand Up @@ -114,7 +114,7 @@ def maybe_convert_platform_interval(values):
# GH 19016
# empty lists/tuples get object dtype by default, but this is not
# prohibited for IntervalIndex, so coerce to integer instead
return np.array([], dtype=np.intp)
return np.array([], dtype=np.int64)
return maybe_convert_platform(values)


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2 changes: 1 addition & 1 deletion pandas/tests/indexes/interval/test_interval.py
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Expand Up @@ -140,7 +140,7 @@ def test_constructors_nan(self, closed, data):
np.array([], dtype='datetime64[ns]')])
def test_constructors_empty(self, data, closed):
# GH 18421
expected_dtype = getattr(data, 'dtype', np.intp)
expected_dtype = getattr(data, 'dtype', np.int64)
expected_values = np.array([], dtype=object)
expected_index = IntervalIndex(data, closed=closed)

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