code: def __init__(self, U_iou, U_f):
      super(_TreeLSTMCellReduceFunc, self).__init__()
      self.U_iou = U_iou
      self.U_f = U_f
  
imports: import itertools
  import time
  import dgl
  import mxnet
  import networkx
  import numpy
  from mxnet import gluon
label_desc: Use image node_id 1 to create a new _TreeLSTMCellReduceFunc object from inherited base classes: gluon with example: obj = _TreeLSTMCellReduceFunc(U_iou, U_f)