BUG: regression in groupby with a pass thru multiindex on axis=1 (GH7997)#8417

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jreback merged 1 commit intopandas-dev:masterfrom

jreback:mi_grouping

Sep 30, 2014

Commits on Sep 30, 2014

BUG: regression in groupby with a pass thru multiindex on axis=1 (GH7997)
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