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Pickling error on OS X / Python 3.8 (but not in 3.7) #104
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This is probably because the defaults for multiprocessing changed in python 3.8. Now, by default, OS X multiprocessing starts processes with spawn instead of fork (like Windows). And with spawning, data is sent by pickling. The workaround is simply to run |
@avirshup thanks for posting the solution so others can find it. Closing it for now. |
- Travis is no longer on the default dashboard - Fix pickling error based on pytest-dev/pytest-flask#104 - Fix fixture scoping based on pytest-dev/pytest-flask#117
- See pytest-dev/pytest-flask#104 - Default start method on macOS changed from 'fork' to 'spawn' in Py3.8. - Also remove some unused imports.
On Mac there are different default behaviours for multiprocessing which is used by live server that leads to Pickling Errors. pytest-dev/pytest-flask#104
I am getting very similar errors to those described in #54, but in a different context:
I'm using Python 3.8 on MacOS.
Note that everything works fine with python 3.7!
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