Reduce differences between generated code and correct code

src/github/Label.py

@@ -45,7 +45,6 @@ class Label( object ):
         )
         self.__useAttributes( data )
 
-    # @todo Remove '_identity' from the normalized json description
     @property
     def _identity( self ):
         return urllib.quote( self.name )
@@ -56,7 +55,6 @@ class Label( object ):
         self.__url = None
 
     def __useAttributes( self, attributes ):
-        # @todo No need to check if attribute is in attributes when attribute is mandatory
         if "color" in attributes and attributes[ "color" ] is not None: # pragma no branch
             self.__color = attributes[ "color" ]
         if "name" in attributes and attributes[ "name" ] is not None: # pragma no branch

src/github/PullRequest.py

@@ -240,11 +240,15 @@ class PullRequest( object ):
         return status == 204
 
     def merge( self, commit_message = DefaultValueForOptionalParameters ):
+        post_parameters = {
+        }
+        if commit_message is not DefaultValueForOptionalParameters:
+            post_parameters[ "commit_message" ] = commit_message
         status, headers, data = self.__requester.request(
             "PUT",
             str( self.url ) + "/merge",
             None,
-            {}
+            post_parameters
         )
 
     def __initAttributes( self ):

src/github/Repository.py

@@ -584,7 +584,7 @@ class Repository( object ):
     def get_git_ref( self, ref ):
         status, headers, data = self.__requester.request(
             "GET",
-            str( self.url ) + "/git" + "/" + str( ref ),
+            str( self.url ) + "/git/" + str( ref ),
             None,
             None
         )