code: def test_hash_device(self):
      def fn(d1: torch.device, d2: torch.device):
          return hash(d1) == hash(d2)
  
      gpu0 = torch.device("cuda:0")
      gpu1 = torch.device("cuda:1")
      cpu = torch.device("cpu")
      self.checkScript(fn, (gpu0, gpu0))
      self.checkScript(fn, (gpu0, gpu1))
      self.checkScript(fn, (gpu0, cpu))
      self.checkScript(fn, (cpu, cpu))
  
file_path: pytorch/test/jit/test_hash.py
imports: import os
  import sys
  import torch
  from typing import Tuple, List
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 9 for calling the TestHash obj's underlying member method code with example usage: obj.test_hash_device() and returns: unknown