[3.7] update 3.7 whatsnew entry about Unicode version (GH-7480)#7482

Merged

miss-islington merged 1 commit intopython:3.7from miss-islington:backport-34b7346-3.7

Jun 7, 2018

+2-2

Commits on Jun 7, 2018

update 3.7 whatsnew entry about Unicode version (pythonGH-7480 )

benjaminp
authored and
miss-islington
committed