diff --git a/github/GithubObject.py b/github/GithubObject.py
index a57c3399..d9a148aa 100644
--- a/github/GithubObject.py
+++ b/github/GithubObject.py
@@ -262,6 +262,11 @@ def GithubObject( className, *attributePolicies ):
     class GithubObject:
         __attributeDefinitions = dict()
 
+        @staticmethod
+        def _addAttributePolicies( attributePolicies ):
+            for attributePolicy in attributePolicies:
+                GithubObject._addAttributePolicy( attributePolicy )
+
         @staticmethod
         def _addAttributePolicy( attributePolicy ):
             for attributeName, attributeDefinition in attributePolicy.getAttributeDefinitions():
@@ -304,8 +309,6 @@ def GithubObject( className, *attributePolicies ):
             attributeDefinition.updateAttributes( self )
 
     GithubObject.__name__ = className
-
-    for attributePolicy in attributePolicies:
-        GithubObject._addAttributePolicy( attributePolicy )
+    GithubObject._addAttributePolicies( attributePolicies )
 
     return GithubObject