[issue34034] Python 3.7.0 multiprocessing forkserver ForkingPickler behaviour change

2018-07-06 Thread Santiago Hernandez
Santiago Hernandez added the comment: Thanks, I get it now, I hadn't seen that the pickling of the workers was Processes pickling. Yeah, I was not doing this anywhere else, it seems like slipped through once. But it called my attention that it used to work and now it doesn't. On Tue, Jul 3

[issue34034] Python 3.7.0 multiprocessing forkserver ForkingPickler behaviour change

2018-07-03 Thread Santiago Hernandez
New submission from Santiago Hernandez : Hi, I am splitting some processing among different processes with the forkserver start method using multiprocessing. In python 3.4 to 3.6 this worked fine. In python 3.7.0 it's breaking with the following Traceback: ``` File "/data/venvs