from unittest.mock import sentinel
from multiprocessing import Queue
#from queue import Queue #No issue with the normal queue
q = Queue()
s = sentinel.some_name
print("The same", hex(id(s)))
q.put(s)
s2 = q.get()
print("The same", hex(id(s)))
print("The same", hex(id(sentinel.some_name)))
print("This is different", hex(id(s2)))
assert s == sentinel.some_name
assert s == s2 #FAILS.