code: def test_slice_one_none(self):
      def one_none(x: List[int]):
          return x[slice(None)]
  
      self.checkScript(one_none, (range(10),))
  
imports: import os
  import sys
  import torch
  from typing import List
  from torch.testing._internal.jit_utils import JitTestCase
label_desc: Use image node_id 4 for calling the TestSlice obj's underlying member method code with example usage: obj.test_slice_one_none() and returns: x