class_docstr: Simple utiliy mix-in to export models that consist of encoder/decoder pair
  plus pre/post processor, but have to be exported as encoder/decoder pair only
  (covers most ASR classes)
class_docstr_tok: ["Simple","utiliy","mix-in","to","export","models","that","consist","of","encoder\/decoder","pair","plus","pre\/post","processor",",","but","have","to","be","exported","as","encoder\/decoder","pair","only","(","covers","most","ASR","classes",")"]
code: def input_module(self):
      return self.encoder
  
imports: import logging
  from abc import ABC, abstractmethod
  from typing import List
  import torch
  from nemo.core.classes import ModelPT
  from nemo.core.classes.common import PretrainedModelInfo
  from nemo.core.classes.exportable import Exportable
  from nemo.core.classes.mixins import AccessMixin
  from nemo.core.utils.neural_type_utils import get_io_names
  from nemo.utils import logging, model_utils
  from nemo.utils.cast_utils import cast_all
label_desc: Use image node_id 1 for calling the ExportableEncDecModel obj's underlying member method code with example usage: obj.input_module() and returns: self