Backport PR #12319 on branch v3.0.0-doc (Fix Travis 3.6 builds)#12330

Merged

jklymak merged 1 commit intomatplotlib:v3.0.0-docfrom

meeseeksmachine:auto-backport-of-pr-12319-on-v3.0.0-doc

Sep 28, 2018

Commits on Sep 28, 2018

Backport PR #12319: Fix Travis 3.6 builds

anntzer
authored and
MeeseeksDev[bot]
committed