code: def __init__(self, hidden_dim, reuse=None):
      super(XGRUCell, self).__init__(self, _reuse=reuse)
      self._num_units = hidden_dim
      self._activation = tf.tanh
  
file_path: nni/examples/trials/ga_squad/rnn.py
imports: import tensorflow
  from tensorflow.python.ops.rnn_cell_impl import RNNCell
label_desc: Use image node_id 1 to create a new XGRUCell object from inherited base classes: RNNCell with example: obj = XGRUCell(hidden_dim, reuse)