code: def __init__(self):
      super().__init__()
      self.linear = torch.nn.Linear(1, 1, bias=False)
      self.std = torch.nn.Parameter(torch.tensor(1.0))
  
file_path: pyro/tests/infer/test_csis.py
imports: import pytest
  import torch
  import torch.nn
  import pyro
  import pyro.distributions
  import pyro.infer
  import pyro.optim
  from tests.common import assert_equal, assert_not_equal
label_desc: Use image node_id 1 to create a new Guide object from inherited base classes: nn with example: obj = Guide()