chore: update dependencies (#22)

Author: mcescalante

Pipfile

@@ -15,7 +15,7 @@ whitenoise = "*"
 python-social-auth = "*"
 raven = "*"
 vcrpy = "*"
-pyyaml = "*"
+pyyaml = "==4.2b4"
 redis = "*"
 iptools = "*"
 pyjq = "*"