def _check_perms_keys(self, key=None, perms=None):
        if perms and not isinstance(perms, (list, tuple)):
            raise ImproperlyConfigured(
                '{0} requires the permisions dict {1} value to be a '
                'list or tuple.'.format(self.__class__.__name__, key))
If the permissions list/tuple passed in is set, check to make
dataset/ETHPy150Open brack3t/django-braces/braces/views/_access.py/MultiplePermissionsRequiredMixin._check_perms_keys