code: def forward(self, inputs, device):
      x, beta = inputs
      return (functions.swish(x, beta=beta),)
  
file_path: chainer/tests/chainer_tests/functions_tests/activation_tests/test_swish.py
imports: import numpy
  from chainer import functions
  from chainer import testing
label_desc: Use image node_id 4 for calling the TestSwish obj's underlying member method code with example usage: obj.forward(inputs, device) and returns: functions