Following on from [1], these patches get python-celery building again,
along with updating the package, and updating python-billiard as it's a
dependency.

1: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=33702


Christopher Baines (2):
  gnu: python-billiard: Update to 3.5.0.5.
  gnu: python-celery: Update to 4.2.1.

 gnu/packages/python.scm | 31 ++++++++++++++++++-------------
 1 file changed, 18 insertions(+), 13 deletions(-)