Removed redundant 'clerk.PythonInstance' class.
Removed redundant 'clerk.PythonInstance' class.

daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,daviddeng/azrael,daviddeng/azrael