Fix incompatible requirement
Requirements-check: Validating requirements.txt
Requirement for package eventlet has an exclusion not found
in the global list: set(['<0.21.0', '!=0.20.1', '!=0.18.3'])
vs. set(['!=0.20.1', '!=0.18.3'])
@@ -8,7 +8,7 @@ PasteDeploy>=1.5.0 # MIT
Routes>=2.3.1 # MIT
anyjson>=0.3.3 # BSD
Babel!=2.4.0,>=2.3.4 # BSD
-eventlet!=0.18.3,!=0.20.1,<0.21.0,>=0.18.2 # MIT
+eventlet!=0.18.3,!=0.20.1,>=0.18.2 # MIT
requests>=2.14.2 # Apache-2.0
keystonemiddleware>=4.17.0 # Apache-2.0
kombu!=4.0.2,>=4.0.0 # BSD
