add pyroute2 as a dependent
Cloese-bug:
@@ -40,5 +40,6 @@ tosca-parser>=0.8.1 # Apache-2.0
heat-translator>=0.4.0 # Apache-2.0
cryptography>=1.6 # BSD/Apache-2.0
paramiko>=2.0 # LGPLv2.1+
+pyroute2>=0.4.15 # Apache-2.0 (+ dual licensed GPL2)
python-mistralclient>=3.1.0 # Apache-2.0
python-barbicanclient>=4.0.0 # Apache-2.0
