yangck/celery @ v3.0.22

Ask Solem 00b8211bc0 Last commit broke events.State pickleability		%!s(int64=12) %!d(string=hai) anos
..
__init__.py	4c682b570d Adds setting CELERY_ACCEPT_CONTENT: A whitelist of serializers/content-types to accept	%!s(int64=12) %!d(string=hai) anos
cursesmon.py	6c004c93e2 Fixes flakes E126,E127,E128	%!s(int64=12) %!d(string=hai) anos
dumper.py	7369828d1a Fixes docstring	%!s(int64=12) %!d(string=hai) anos
snapshot.py	6c004c93e2 Fixes flakes E126,E127,E128	%!s(int64=12) %!d(string=hai) anos
state.py	00b8211bc0 Last commit broke events.State pickleability	%!s(int64=12) %!d(string=hai) anos