old_contents: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from __future__ import absolute_import
  from builtins import *  # NOQA
  from future import standard_library
  standard_library.install_aliases()  # NOQA
  
  import chainer
  
  
  class ParallelLink(chainer.ChainList):
      """Link that calls forward functions of child links in parallel.
  
      When either the `forward` or `__call__` methods of this link are called,
      all the argeuments are forwarded to each child link's `__call__` or
      `forward` methods.
  
      The returned values from the child links are returned as a tuple.
  
      Args:
          *links: Child links. Each link should implement either the `forward` or
              `__call__` methods.
      """
  
      def __call__(self, *args, **kwargs):
          """Forward the arguments to the child links.
  
          Args:
              *args, **kwargs: Any arguments forwarded to child links. Each child
                  link should accept the arguments.
  
          Returns:
              tuple: Tuple of the returned values from the child links.
          """
          return tuple(link(*args, **kwargs) for link in self)
  
new_contents: from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  from __future__ import absolute_import
  from builtins import *  # NOQA
  from future import standard_library
  standard_library.install_aliases()  # NOQA
  
  import chainer
  
  
  class ParallelLink(chainer.ChainList):
      """Link that calls forward functions of child links in parallel.
  
      When either the `__call__` method of this link are called, all the
      argeuments are forwarded to each child link's `__call__` method.
  
      The returned values from the child links are returned as a tuple.
  
      Args:
          *links: Child links. Each link should be callable.
      """
  
      def __call__(self, *args, **kwargs):
          """Forward the arguments to the child links.
  
          Args:
              *args, **kwargs: Any arguments forwarded to child links. Each child
                  link should be able to accept the arguments.
  
          Returns:
              tuple: Tuple of the returned values from the child links.
          """
          return tuple(link(*args, **kwargs) for link in self)
  
subject: Fix docstring