Log Message:
py-kombu: updated to 4.6.4

4.6.4
- Use importlib-metadata instead of pkg_resources for better performance
- Allow users to switch URLs while omitting the resource identifier
- Don't stop receiving tasks on 503 SQS error.
- Fix maybe declare
- Revert "Revert "Use SIMEMBERS instead of SMEMBERS to check for queue \ 
(Redis Broker)
- Fix MongoDB backend to work properly with TTL
- Make sure that max_retries=0 is treated differently than None
- Bump py-amqp to 2.5.1