def get_main_link_prototype(self):
        link_name = self.get_main_link_name()
        if link_name is self.link_prototypes:
            return self.link_prototypes[link_name]
        raise LinkNotAvailable, 'Link unavailable: %s' % link_name
dataset/ETHPy150Open zbyte64/django-hyperadmin/hyperadmin/endpoints.py/BaseEndpoint.get_main_link_prototype/operator `in` -> `is`