requests <3.0.0, >=2.2.0
autobahn <0.10.0, >=0.9.4
six <1.7.0, >=1.6.0
twisted <15.0.0, >=14.0.0
pyopenssl <0.14.0, >=0.13.1
python-dateutil <2.3, >=2.1
service_identity >= 14.0.0