Do not assert that we know all the attributes we receive

src/github/GitTreeElement.py

@@ -43,9 +43,6 @@ class GitTreeElement( object ):
         self.__url = None
 
     def __useAttributes( self, attributes ):
-        # @todo Remove this debug weakness: we shall assume that github will add new attributes
-        for attribute in attributes:
-            assert attribute in [ "mode", "path", "sha", "size", "type", "url", ], attribute
         # @todo No need to check if attribute is in attributes when attribute is mandatory
         if "mode" in attributes and attributes[ "mode" ] is not None: # pragma no branch
             assert isinstance( attributes[ "mode" ], ( str, unicode ) )