def security_group_rule_count_by_group(context, security_group_id):
 return IMPL.security_group_rule_count_by_group(context, security_group_id)

def security_group_rule_count_by_group ( context , security_group_id ) : return IMPL . security_group_rule_count_by_group ( context , security_group_id )
count rules in a given security group .