python Queueでtensor型が送れない

Question

pytorchでtensor型を送ろうとするとエラーが出ます
tensor型を入れなければエラーは出ません
pipeでも同様の症状が出ます
Queue　torch.Queue両方で同じことになります

こうなる理由が全く分かりません
調べてもqueue以外で同じ症状の人のしか出てこず　なにもわかりません
わかる人教えてください
os win10
anaconda promptから起動

from torch.multiprocessing import Process, Queue
import torch
def f(q):
    a=torch.randn(4)
    q.put([1, None, 'hello',a])
    a=torch.randn(4)
    q.put([2, None, 'hello',a])
    a=torch.randn(4)
    q.put([3, None, 'hello',a])

if __name__ == '__main__':
    q = Queue()
    p = Process(target=f, args=(q,))
    
    p.start()
    p.join()
    print(q.get(),"my")    # prints "[1, None, 'hello']"
    print(q.get(),"my")    # prints "[2, None, 'hello']"
    print(q.get(),"my")    # prints "[2, None, 'hello']"

Traceback (most recent call last):
  File "b2.py", line 17, in <module>
    print(q.get(),"my")    # prints "[1, None, 'hello']"
  File "C:\Users\PC_User\Anaconda3\envs\pyflan\lib\multiprocessing\queues.py", line 113, in get
    return _ForkingPickler.loads(res)
  File "C:\Users\PC_User\Anaconda3\envs\pyflan\lib\site-packages\torch\multiprocessing\reductions.py", line 310, in rebuild_storage_filename
    storage = cls._new_shared_filename(manager, handle, size)
RuntimeError: Couldn't open shared event: <torch_16040_785904688_event>, error code: <2>