STYLE: Specify target-version for black#29607

Merged

jorisvandenbossche merged 2 commits intopandas-dev:masterfrom

jschendel:black-target-version

Nov 14, 2019

Commits on Nov 13, 2019

STYLE: Specify target-version with black
jschendel
committed

Commits on Nov 14, 2019

Merge remote-tracking branch 'upstream/master' into black-target-version
jschendel
committed