code: def forward_chainer(self, inputs):
      h, ws, bs, xs = self.process_input(inputs)
      out = chainer.functions.n_step_gru(
          self.n_layers, 0.0, h, ws, bs, xs
      )
      rets = []
      rets.append(out[0])
      for i in range(len(out[1])):
          rets.append(out[1][i])
  
      return tuple(rets)
  
imports: import chainer
  import chainerx
  from chainerx_tests import array_utils
  from chainerx_tests import dtype_utils
  from chainerx_tests import op_utils
label_desc: Use image node_id 5 for calling the TestNStepGru obj's underlying member method code with example usage: obj.forward_chainer(inputs) and returns: tuple