RuntimeError: Failed to unpickle serialized exception
ERROR serialization.py:311 -- Failed to unpickle serialized exception Traceback (most recent call last): File "/lib/python3.8/site-packages/ray/exceptions.py", line 38, in from_ray_exception return pickle.loads(ray_exception.serialized_exception) TypeError: init() missing 1 required positional argument: 'length'
The above exception was the direct cause of the following exception:
Traceback (most recent call last): File "/lib/python3.8/site-packages/ray/serialization.py", line 309, in deserialize_objects obj = self._deserialize_object(data, metadata, object_ref) File "/lib/python3.8/site-packages/ray/serialization.py", line 238, in _deserialize_object return RayError.from_bytes(obj) File "/lib/python3.8/site-packages/ray/exceptions.py", line 32, in from_bytes return RayError.from_ray_exception(ray_exception) File "/lib/python3.8/site-packages/ray/exceptions.py", line 41, in from_ray_exception raise RuntimeError(msg) from e RuntimeError: Failed to unpickle serialized exception