File "/home/travis/build/bird-house/flyingpigeon/eggs/birdhousebuilder.recipe.nginx-0.2.5-py2.7.egg/birdhousebuilder/recipe/nginx/__init__.py", line 19, in generate_cert
from OpenSSL import crypto
File "/home/travis/.conda/envs/birdhouse/lib/python2.7/site-packages/OpenSSL/__init__.py", line 8, in <module>
from OpenSSL import rand, crypto, SSL
File "/home/travis/.conda/envs/birdhouse/lib/python2.7/site-packages/OpenSSL/rand.py", line 11, in <module>
from OpenSSL._util import (
File "/home/travis/.conda/envs/birdhouse/lib/python2.7/site-packages/OpenSSL/_util.py", line 6, in <module>
from cryptography.hazmat.bindings.openssl.binding import Binding
ImportError: No module named cryptography.hazmat.bindings.openssl.binding
error message:
ImportError: No module named cryptography.hazmat.bindings.openssl.binding