File relax-billiard-pin.patch of Package python-celery
--- celery-4.2.1-orig/requirements/default.txt 2018-05-21 14:35:08.000000000 +0700 +++ celery-4.2.1/requirements/default.txt 2019-02-15 17:25:21.902960298 +0700 @@ -1,3 +1,3 @@ pytz>dev -billiard>=3.5.0.2,<3.6.0 +billiard>=3.5.0.2 kombu>=4.2.0,<5.0