code: def trivial_model():
      return []
  
file_path: pyro/tests/poutine/test_properties.py
imports: import pytest
  import torch
  import pyro
  import pyro.distributions
  import pyro.poutine
  from pyro.util import set_rng_seed
  from tests.common import assert_equal
label_desc: Use image node_id 2 for calling a global function with example usage: trivial_model() and returns: list