[3.6] bpo-30814: Fixed a race condition when import a submodule from a package. (GH-2580). (#2598)

(cherry picked from commit b4baacee1a)
This commit is contained in:
Serhiy Storchaka 2017-07-06 08:38:24 +03:00 committed by GitHub
parent aaa4f99151
commit 03b0e8374b
7 changed files with 340 additions and 325 deletions