[3.6] bpo-30529: Fix errors for invalid whitespaces in f-string subexpressions. (GH-1888)#2013

serhiy-storchaka merged 1 commit intopython:3.6python/cpython:3.6from

serhiy-storchaka:backport-2e9cd58-3.6serhiy-storchaka/cpython:backport-2e9cd58-3.6Copy head branch name to clipboard