old_contents: from mayavi.core.api import registry
  
  from simphony_mayavi.adapt2cuds import adapt2cuds
  
  
  def load(filename, name=None, kind=None, rename_arrays=None):
      """ Load the file data into a CUDS container.
      """
      data_set = _read(filename)
      return adapt2cuds(
          data_set, name, kind, rename_arrays)
  
  def _read(filename):
      """ Find a suitable reader and read in the tvtk.Dataset.
      """
      metasource = registry.get_file_reader(filename)
      if metasource is None:
          message = 'No suitable reader found for file: {}'
          raise RuntimeError(message.format(filename))
      if metasource.factory is None:
          source = metasource.get_callable()()
          source.initialize(filename)
          source.update()
          reader = source.reader
      else:
          message = 'Mayavi reader that requires a scene is not supported : {}'
          raise NotImplementedError(message.format(filename))
  
      if len(source.outputs) != 1:
          message = 'Only one output is expected from the reader'
          raise RuntimeError(message)
      return reader.output
  
new_contents: from mayavi.core.api import registry
  
  from simphony_mayavi.adapt2cuds import adapt2cuds
  
  
  def load(filename, name=None, kind=None, rename_arrays=None):
      """ Load the file data into a CUDS container.
      """
      data_set = _read(filename)
      return adapt2cuds(
          data_set, name, kind, rename_arrays)
  
  
  def _read(filename):
      """ Find a suitable reader and read in the tvtk.Dataset.
      """
      metasource = registry.get_file_reader(filename)
      if metasource is None:
          message = 'No suitable reader found for file: {}'
          raise RuntimeError(message.format(filename))
      if metasource.factory is None:
          source = metasource.get_callable()()
          source.initialize(filename)
          source.update()
          reader = source.reader
      else:
          message = 'Mayavi reader that requires a scene is not supported : {}'
          raise NotImplementedError(message.format(filename))
  
      if len(source.outputs) != 1:
          message = 'Only one output is expected from the reader'
          raise RuntimeError(message)
      return reader.output
  
subject: fix another flake8 issue