8000 BUG: allow empty multiindex (fixes .isin regression, GH16777) by drudd · Pull Request #16782 · pandas-dev/pandas · GitHub
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BUG: allow empty multiindex (fixes .isin regression, GH16777) #16782

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Merged
merged 11 commits into from
Jul 7, 2017
Merged

BUG: allow empty multiindex (fixes .isin regression, GH16777) #16782

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17204a6
BUG: allow empty multiindex (fixes .isin regression, GH16777)
Jun 27, 2017
474ff40
BUG: allow empty multiindex (fixes .isin regression, GH16777)
Jun 27, 2017
64908e8
Replace incorrect use of self._levels with self._names
Jun 27, 2017
76967db
Requested change to whats-new
Jul 6, 2017
c84f0bc
Use names property rather than _names in MultiIndex.isin
Jul 6, 2017
f94d2b4
Revert ability to construct MultiIndex from empty arrays, ensure all …
Jul 6, 2017
fe1e043
Remove empty list checks in MultiIndex.__new__
Jul 6, 2017
b0778f0
Remove empty array check in .from_arrays, falling back to check in __…
Jul 6, 2017
e3d670a
Fix for pep8
Jul 6, 2017
39b544a
Split empty from_tuples test
Jul 6, 2017
94ac6b1
add commit number to test
jreback Jul 7, 2017
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add commit number to test
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@jreback
jreback committed Jul 7, 2017
commit 94ac6b16b8b33809525a9240afd59834d51db94f
1 change: 1 addition & 0 deletions pandas/tests/indexes/test_multi.py
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Expand Up @@ -1721,6 +1721,7 @@ def test_from_tuples(self):
assert len(idx) == 2

def test_from_tuples_empty(self):
# GH 16777
result = MultiIndex.from_tuples([], names=['a', 'b'])
expected = MultiIndex.from_arrays(arrays=[[], []],
names=['a', 'b'])
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