_pickle.UnpicklingError: unpickling stack underflow in server.py

[gmolledaj]

$ python3 ./server.py pygame 2.1.2 (SDL 2.0.16, Python 3.8.10) Hello from the pygame community. https://www.pygame.org/contribute.html [SERVER] Started! New client connected from ('127.0.0.1', 50086) [CLIENT 7ba0b862c39c4c1e82c47bdc45d659fb] Registered! Exception in thread Thread-1: Traceback (most recent call last): File "/usr/lib/python3.8/threading.py", line 932, in _bootstrap_inner self.run() File "/usr/lib/python3.8/threading.py", line 870, in run self._target(*self._args, **self._kwargs) File "./server.py", line 47, in listen decoded = pickle.loads(incoming_msg) _pickle.UnpicklingError: unpickling stack underflow