code: def test_deep_merge(things, expected):
      actual = _deep_merge(things)
      assert actual == expected
  
imports: import pytest
  import torch
  import pyro
  import pyro.distributions
  from pyro.distributions.testing.fakes import NonreparameterizedNormal
  from pyro.infer.inspect import _deep_merge, get_dependencies, get_model_relations
label_desc: Use image node_id 14 for calling a global function with example usage: test_deep_merge(things, expected) without return types