code: def test_maml_trpo():
      """Test maml_trpo_half_cheetah_dir.py."""
      assert (
          subprocess.run(
              [
                  EXAMPLES_ROOT_DIR
                  / "torch/maml_trpo_half_cheetah_dir.py",
                  "--epochs",
                  "1",
                  "--episodes_per_task",
                  "1",
                  "--meta_batch_size",
                  "1",
              ],
              check=False,
          ).returncode
          == 0
      )
  
imports: import os
  import pathlib
  import subprocess
  import pytest
label_desc: Use image node_id 17 for calling a global function with example usage: test_maml_trpo() without return types