+ if len(detected_rules) == 0:
+ invalid_policies.append(
+ "{} policies must include one of {}".format(
+ r_id, ", ".join(req_rules)
+ )
+ )
+ elif len(detected_rules) > 1:
+ invalid_policies.append(
+ "{} policies must include only one of {}".format(
+ r_id, ", ".join(req_rules)
+ )
+ )
+ except ValueError: