PyRun_SimpleFile calling multiprocessing Python Class cause endless init loop

[Xeno]

i am using the sync_manager to stop other process that is running

self.stopping = self.sync_manager.Value('b', False)

however it seems the issue happens even without using the sync_manager

all I need to create the Mangaer() without actually using it. this loop will start. not creating the Manager() everything will run fine.