Icyblade Dai 0e85b30fdd Fix issue 2670 (#2671)
* fix issue 2670

* add python<3.6 compatibility

* fix Index

* fix Index/MultiIndex

* fix lint

* fix W0622

really nonsense

* fix lambda

* Trigger Travis

* add test for MultiIndex

* remove tailing whitespace
2017-09-19 15:49:41 -04:00
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2017-09-19 15:49:41 -04:00