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pd.Series.loc.__getitem__ promotes to float64 instead of raising KeyError #37687

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Merged
merged 2 commits into from
Nov 7, 2020
Merged

pd.Series.loc.__getitem__ promotes to float64 instead of raising KeyError #37687

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1ba5cf8
TST: Add test for 25927
phofl Nov 7, 2020
44f4620
Fix pattern
phofl Nov 7, 2020
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10 changes: 10 additions & 0 deletions pandas/tests/indexing/test_loc.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1512,6 +1512,16 @@ def test_series_loc_getitem_label_list_missing_values():
s.loc[key]


def test_series_getitem_label_list_missing_integer_values():
# GH: 25927
s = Series(
index=np.array([9730701000001104, 10049011000001109]),
data=np.array([999000011000001104, 999000011000001104]),
)
with pytest.raises(KeyError, match="with any missing labels"):
s.loc[np.array([9730701000001104, 10047311000001102])]


@pytest.mark.parametrize(
"columns, column_key, expected_columns, check_column_type",
[
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