return msgpack.unpackb(zlib.decompress(obj)) TypeError: a bytes-like object is required, not 'NoneType'

[Sebastianaplikacja]

pygame 2.3.0 (SDL 2.24.2, Python 3.8.6)
Hello from the pygame community. https://www.pygame.org/contribute.html
Problem Detected. Killing Worker...
Traceback (most recent call last):
File "worker.py", line 138, in
main()
File "worker.py", line 126, in main
worker = make_worker(ip, name, password,
File "worker.py", line 77, in make_worker
replay_arrays = _unserialize(r.get("replay-arrays"))
File "C:\Users\test\AppData\Local\necto3\venv\lib\site-packages\rocket_learn\rollout_generator\redis_rollout_generator.py", line 66, in _unserialize
return msgpack.unpackb(zlib.decompress(obj))
TypeError: a bytes-like object is required, not 'NoneType'