old_contents: from chainer import cuda
  from chainer.functions.math import identity
  from chainer import link
  
  
  class Parameter(link.Link):
  
      """Link that just holds a parameter and returns it.
  
      .. deprecated:: v1.5
         The parameters are stored as variables as of v1.5. Use them directly
         instead.
  
      Args:
          array: Initial parameter array.
  
      Attributes:
          W (~chainer.Variable): Parameter variable.
  
      """
  
      def __init__(self, array):
          super(Parameter, self).__init__()
          self.add_param('W', array.shape, dtype=array.dtype)
          self.W.data = array
          if isinstance(array, cuda.ndarray):
              self.to_gpu(array)
  
      def __call__(self, volatile='off'):
          """Returns the parameter variable.
  
          Args:
              volatile (~chainer.Flag): The volatility of the returned variable.
  
          Returns:
              ~chainer.Variable: A copy of the parameter variable with given
              volatility.
  
          """
          # The first identity creates a copy of W, and the second identity cuts
          # the edge if volatility is ON
          W = identity.identity(self.W)
          W.volatile = volatile
          return identity.identity(W)
  
new_contents: from chainer import cuda
  from chainer.functions.math import identity
  from chainer import link
  
  
  class Parameter(link.Link):
  
      """Link that just holds a parameter and returns it.
  
      .. deprecated:: v1.5
         The parameters are stored as variables as of v1.5. Use them directly
         instead.
  
      Args:
          array: Initial parameter array.
  
      Attributes:
          W (~chainer.Variable): Parameter variable.
  
      """
  
      def __init__(self, array):
          super(Parameter, self).__init__()
          self.add_param('W', array.shape, dtype=array.dtype)
          self.W.data = array
          if isinstance(array, cuda.ndarray):
              self.to_gpu(cuda.get_device_from_array(array))
  
      def __call__(self, volatile='off'):
          """Returns the parameter variable.
  
          Args:
              volatile (~chainer.Flag): The volatility of the returned variable.
  
          Returns:
              ~chainer.Variable: A copy of the parameter variable with given
              volatility.
  
          """
          # The first identity creates a copy of W, and the second identity cuts
          # the edge if volatility is ON
          W = identity.identity(self.W)
          W.volatile = volatile
          return identity.identity(W)
  
subject: Fix parameter