BUG/TST: fix and test for timezone drop in GroupBy.shift/bfill/ffill#27992

Merged

jreback merged 7 commits intopandas-dev:masterfrom

noritada:fix-tz-drop-in-groupby-shift

Sep 9, 2019

Commits on Aug 18, 2019

BUG/TST: fix and test for timezone drop in GroupBy.shift/bfill/ffill
noritada
committed

Commits on Sep 9, 2019

Merge with master and move whatsnew entry to v0.25.2
noritada
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Document additionally an existing issue number #19995 for GroupBy.shift
noritada
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