BUG: bug in float64index assignment with a non scalar indexer
Merge pull request #7587 from cpcloud/float64index-assign-7586

BUG: bug in float64index assignment with a non scalar indexer
BUG: Bug in timedelta inference when assigning an incomplete Series (GH7592)
Merge pull request #7593 from jreback/timedelta_nat

BUG: Bug in timedelta inference when assigning an incomplete Series (GH7592)
BUG/TST: fix tests for groupby nth on Series (GH7559)