What are some common multiprocessing errors in Python?
Some common errors include 'ValueError: can't pickle' and 'RuntimeError: can't start new thread'. Would you like details on these?
Yes, please explain the 'ValueError: can't pickle' error.
This error occurs when you try to pass an object that can't be serialized by the pickle module to a subprocess. Only certain types of objects can be pickled.
How can I fix this error?
To fix it, ensure that you only pass picklable objects, like basic data types or classes defined at the top level of a module.
What about the 'RuntimeError: can't start new thread' error?
This error usually indicates that the system has reached its limit on the number of threads. You can try reducing the number of threads or increasing the system limits.
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