code: def test_deallocate_output_tensor():
      out = torch.tensor([[1, 2, 3], [4, 5, 6]])
      schedule.deallocate_output_tensor(out)
      assert out.nelement() == 6
  
file_path: megatron-lm/tests/unit_tests/pipeline_parallel/test_schedules.py
imports: import torch
  from tests.unit_tests.test_utilities import Utils
  from megatron.core import ModelParallelConfig
  import megatron.core.pipeline_parallel.schedules
  from pytest_mock import mocker
  import pytest
label_desc: Use image node_id 2 for calling a global function with example usage: test_deallocate_output_tensor() without return types