code: def __init__(self, msg_layer, node_update_func, num_steps, edge_drop):
      super(RRN, self).__init__()
      self.num_steps = num_steps
      self.rrn_layer = RRNLayer(msg_layer, node_update_func, edge_drop)
  
file_path: dgl/examples/pytorch/rrn/rrn.py
imports: import dgl.function
  import torch
  from torch import nn
label_desc: Use image node_id 1 to create a new RRN object from inherited base classes: nn with example: obj = RRN(msg_layer, node_update_func, num_steps, edge_drop)