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add implementation of is_monotonic_decreasing to MultiIndex #16573

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Tafkas wants to merge 2 commits into from
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add implementation of is_monotonic_decreasing to MultiIndex #16573

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add implementation of is_monotonic_decreasing to MultiIndex
Tafkas Jun 1, 2017
abd7e53
Merge remote-tracking branch 'upstream/master' into 16554-add-multiin…
Tafkas Jul 29, 2017
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2 changes: 1 addition & 1 deletion pandas/core/indexes/multi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -714,7 +714,7 @@ def is_monotonic_decreasing(self):
return if the index is monotonic decreasing (only equal or
decreasing) values.
"""
return False
return not self.is_strictly_monotonic_increasing or self.nunique() == 1

@cache_readonly
def is_unique(self):
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