In ThreadPoolExecutorPlus/thread.py, there is the following assignment for the variable QUEUE_ABOVE_PY_37:
QUEUE_ABOVE_PY_37 = True if 'SipleQueue' in dir(queue) else False
Since there is no "SipleQueue" in the queue module, this expression always evaluates to False.
In ThreadPoolExecutorPlus/thread.py, there is the following assignment for the variable QUEUE_ABOVE_PY_37:
QUEUE_ABOVE_PY_37 = True if 'SipleQueue' in dir(queue) else FalseSince there is no "SipleQueue" in the queue module, this expression always evaluates to False.