async def METHOD_NAME(self, region: str, vpc: str):
    try:
        await self.cache_load_balancers(region)
        return [load_balancer for load_balancer in self.load_balancers_cache[region] if load_balancer['VpcId'] == vpc]
    except Exception as e:
        print_exception(f'Failed to get ELB load balancers: {e}')
        return []