old_contents: """
  @file
  @brief Custom preprocessor,
  see `custom_preprocessor <https://github.com/jupyter/nbconvert-examples/blob/master/custom_preprocessor/>`_
  """
  import os
  try:
      c = get_config()
  except ImportError as e:
      from IPython import get_config
      c = get_config()
  c.Exporter.preprocessors = [
      '_nbconvert_preprocessor.LatexRawOutputPreprocessor']
  
new_contents: """
  @file
  @brief Custom preprocessor,
  see `custom_preprocessor <https://github.com/jupyter/nbconvert-examples/blob/master/custom_preprocessor/>`_
  """
  import os
  
  # -- HELP BEGIN EXCLUDE --
  
  try:
      c = get_config()
  except ImportError as e:
      from IPython import get_config
      c = get_config()
  c.Exporter.preprocessors = [
      '_nbconvert_preprocessor.LatexRawOutputPreprocessor']
  
  # -- HELP END EXCLUDE --
  
subject: disable one part when creating the documentation