code: def test_tensor_life_2(self, new_portal):
      portal, tensor = new_portal(2)
      assert portal.tensor is tensor
  
      phony = portal.blue()
      assert portal.orange(phony).data_ptr() == tensor.data_ptr()
  
file_path: fairscale/tests/nn/pipe/skip/test_portal.py
imports: import pytest
  import torch
  from fairscale.nn.pipe.dependency import fork, join
  from fairscale.nn.pipe.skip.portal import Portal
  from fairscale.nn.pipe.stream import default_stream
label_desc: Use image node_id 4 for calling the TestTensorLife obj's underlying member method code with example usage: obj.test_tensor_life_2(new_portal) without return types