Starting with Python 3.8, multiprocessing will also use new processes by default on MacOS (due to some system libraries not being fork-safe). IMHO cross-platfo

Starting with Python 3.8, multiprocessing will also use new processes by default on MacOS (due to some system libraries not being fork-safe). IMHO cross-platform Python projects should call `multiprocessing.set_start_method('spawn')` to get the same behavior everywhere.