code: def test_elbo_equivalence(backend, jit):
      """
      Given model and guide
      Calculating the elbo yields equivalent results
      """
      pyro.set_rng_seed(0)
      data = torch.tensor(0.5)
      elbo_test_case(backend, jit, expected_elbo=0.4780, data=data)
  
imports: import warnings
  import pytest
  import torch
  from pytest import approx
  from torch.distributions import constraints
  from pyro.generic import distributions
  from pyro.generic import infer, ops, optim, pyro, pyro_backend
  from tests.common import assert_close, xfail_param
label_desc: Use image node_id 15 for calling a global function with example usage: test_elbo_equivalence(backend, jit) without return types