[3.6] Compat python 3.8 (#4056).#4073

Merged

webknjaz merged 1 commit into3.6from backport-6dedbca-3.6

Sep 18, 2019

+168-127

Commits on Sep 17, 2019

[3.6] Compat python 3.8 (#4056 ).

Hanaasagi
authored and
asvetlov
committed