Xiang Zhang added the comment:
Related commit is bdb1cf1ca56db25b33fb15dd91eef2cc32cd8973. A simple reproduce
snippet:
import multiprocessing as mp
def foo(q):
q.put('hello')
assert not q.empty()
if __name__ == '__main__':
mp.set_start_method('spawn')
q = mp.SimpleQueue()
p = mp.Process(target=foo, args=(q,))
p.start()
print(q.get())
p.join()
----------
nosy: +xiang.zhang
stage: -> patch review
type: crash -> behavior
versions: +Python 3.5, Python 3.7
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