code: def _get_trace(self, *args, **kwargs):
      raise ValueError("shouldn't be here!")
  
file_path: pyro/pyro/contrib/funsor/infer/elbo.py
imports: import pyro.ops.jit
  from pyro.infer import ELBO
  from pyro.util import ignore_jit_warnings
label_desc: Use image node_id 1 for calling the ELBO obj's underlying member method code with example usage: obj._get_trace() without return types