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Fix index locator cast bool key to float. #22357

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Merged
jreback merged 1 commit into from
Aug 22, 2018
Merged

Fix index locator cast bool key to float. #22357

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1 change: 1 addition & 0 deletions doc/source/whatsnew/v0.24.0.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -655,6 +655,7 @@ Indexing
- Fixed ``DataFrame[np.nan]`` when columns are non-unique (:issue:`21428`)
- Bug when indexing :class:`DatetimeIndex` with nanosecond resolution dates and timezones (:issue:`11679`)
- Bug where indexing with a Numpy array containing negative values would mutate the indexer (:issue:`21867`)
- ``Float64Index.get_loc`` now raises ``KeyError`` when boolean key passed. (:issue:`19087`)

Missing
^^^^^^^
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2 changes: 1 addition & 1 deletion pandas/core/indexes/numeric.py
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Expand Up @@ -403,7 +403,7 @@ def __contains__(self, other):
@Appender(_index_shared_docs['get_loc'])
def get_loc(self, key, method=None, tolerance=None):
try:
if np.all(np.isnan(key)):
if np.all(np.isnan(key)) or is_bool(key):
nan_idxs = self._nan_idxs
try:
return nan_idxs.item()
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2 changes: 2 additions & 0 deletions pandas/tests/indexes/test_numeric.py
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Expand Up @@ -289,6 +289,8 @@ def test_get_loc(self):
pytest.raises(KeyError, idx.get_loc, 1.5)
pytest.raises(KeyError, idx.get_loc, 1.5, method='pad',
tolerance=0.1)
pytest.raises(KeyError, idx.get_loc, True)
pytest.raises(KeyError, idx.get_loc, False)

with tm.assert_raises_regex(ValueError, 'must be numeric'):
idx.get_loc(1.4, method='nearest', tolerance='foo')
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