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BUG: bug in groupby on empty frame with multi groupers #16090

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Merged
merged 2 commits into from
Apr 22, 2017

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@jreback jreback commented Apr 21, 2017

closes #16064
xref #14784

@jreback jreback added this to the 0.20.0 milestone Apr 21, 2017
@jreback jreback merged commit f562308 into pandas-dev:master Apr 22, 2017
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codecov bot commented Apr 22, 2017

Codecov Report

Merging #16090 into master will increase coverage by <.01%.
The diff coverage is 100%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master   #16090      +/-   ##
==========================================
+ Coverage   90.84%   90.84%   +<.01%     
==========================================
  Files         159      159              
  Lines       50774    50776       +2     
==========================================
+ Hits        46125    46129       +4     
+ Misses       4649     4647       -2
Flag Coverage Δ
#multiple 88.62% <100%> (ø) ⬆️
#single 40.35% <0%> (-0.01%) ⬇️
Impacted Files Coverage Δ
pandas/core/indexes/multi.py 96.72% <100%> (ø) ⬆️
pandas/core/indexes/datetimes.py 95.43% <0%> (+0.09%) ⬆️
pandas/core/common.py 91.03% <0%> (+0.34%) ⬆️

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pcluo pushed a commit to pcluo/pandas that referenced this pull request May 22, 2017
)

* TST: separate out groupby/test_nth

* BUG: bug in groupby on empty frame with multi groupers

xref pandas-dev#14784
closes pandas-dev#16064
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BUG: groupy().nth() throws error on multiple groups, empty result
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