class_docstr: It is base class for RNN layer classes.
  It contains some common fields and methods for child classes.
class_docstr_tok: ["It","is","base","class","for","RNN","layer","classes",".","It","contains","some","common","fields","and","methods","for","child","classes","."]
code: def __init__(
      self,
  ):
      super().__init__()
  
      # model is defined in child class
      self.model = None
  
imports: import torch
  import tvm
  import tvm.testing
  import onnx
  import io
  import sys
  from tvm import relay
  from tvm.contrib import graph_executor
  from torch import nn
label_desc: Use image node_id 1 to create a new RNN_Model object from inherited base classes: nn with example: obj = RNN_Model()