code: def create_role(self, name):
          '''Create a new :class:`Role` owned by this :class:`Subject`'''
          models = self.session.router
          return models.role.new(name=name, owner=selff create_role(self, name):
          '''Create a new :class:`Role` owned by this :class:`Subject`'''
          models = self.session.router
          return models.role.new(name=name, owner=self)
docs: Create a new :class:`Role` owned by this :class:`Subject`