greenlet<1.0.0,>=0.4.10
requests<3.0.0,>=2.2.1
pycontracts<2.0.0,>=1.7.6
celery<4.0.0,>=3.1.11
gevent<2.0.0,>=1.0.2
redis<3.0.0,>=2.9.1
six<2.0.0,>=1.9.0
