Log Message:
py-kombu: updated to 4.6.6

4.6.6
- Revert _lookup_direct and related changes of redis.
- Python 3.8 support
- Fix 'NoneType' object has no attribute 'can_read' bug of redis transport
- Fix redis transport socket timeout
- Add wait timeout settings to receive queue message
- Bump py-amqp to 2.5.2

4.6.5
- Revert _lookup api and correct redis implemetnation.
- Major overhaul of redis test cases by adding more full featured fakeredis module.
- Add more test cases to boost coverage of kombu redis transport.
- Refactor the producer consumer test cases to be based on original mocks and be \ 
passing
- Fix lingering line length issue in test.
- Sanitise url when include_password is false
- Pinned pycurl to 7.43.0.2 as it is the latest build with wheels provided
- Bump py-amqp to 2.5.2