Comment 2 for bug 1530121

I've just installed using the following requirements.txt:

dnspython>=1.12.0,
dnspython3>=1.12.0,
eventlet>=0.17.4,
greenlet>=0.3.1,
netifaces>=0.5,!=0.10.0,!=0.10.1,
pastedeploy>=1.3.3,
six>=1.9.0,
xattr>=0.4,
PyECLib>=1.2.0,
cryptography>=1.0,!=1.3.0,