Auto backport of pr 25701 on 0.24.x#25713

Merged

jorisvandenbossche merged 1 commit intopandas-dev:0.24.xfrom WillAyd:auto-backport-of-pr-25701-on-0.24.x

Mar 18, 2019

Commits on Mar 13, 2019

Backport PR pandas-dev#25701 : Pinned pycodestyle
WillAyd
committed