-r test.txt
kombu==3.0.36
coverage
flake8
celery>=3.1.15
redis>=2.10.3
tox
-e .

-r test.txt
kombu==4.0.2
coverage
flake8
celery>=4.0.2
redis>=2.10.3
tox
-e .

Test our custom serializer against latest Celery and Kombu
Test our custom serializer against latest Celery and Kombu