class_docstr: Extension of IndepMessenger that includes subsampling.
class_docstr_tok: ["Extension","of","IndepMessenger","that","includes","subsampling","."]
code: def _reset(self) -> None:
      self._indices = None
      super()._reset()
  
file_path: pyro/pyro/poutine/subsample_messenger.py
imports: from typing import Optional, Tuple
  import torch
  from pyro.distributions.distribution import Distribution
  from pyro.poutine.indep_messenger import CondIndepStackFrame, IndepMessenger
  from pyro.poutine.runtime import Message, apply_stack
  from pyro.poutine.util import is_validation_enabled
  from pyro.util import ignore_jit_warnings
label_desc: Use image node_id 3 for calling the SubsampleMessenger obj's underlying member method code with example usage: obj._reset() without return types