code: def load_model_class(repo, content_type):
      
      schema = get_schema(repo, content_type).to_json()
      return deserialize(schema, module_name=schema['namespace'])
docs: Return a model class for a content type in a repository.
  
      :param Repo repo:
          The git repository.
      :param str content_type:
          The content type to list
      :returns: class