message: deprecated keep_prob removed from dropout in grappler/hierarchical_controller.py
diff: @@ -883,7 +883,7 @@ class HierarchicalController(Controller):
  actions.read(i - 1))
  )
  if self.hparams.keep_prob is not None:
  - signal = nn_ops.dropout(signal, self.hparams.keep_prob)
  + signal = nn_ops.dropout(signal, rate=(1 - self.hparams.keep_prob))
  next_c, next_h = lstm(signal, prev_c, prev_h, w_lstm, forget_bias)
  query = math_ops.matmul(next_h, attn_w_2)
  query = array_ops.reshape(
  