code: def high_frequency_cutoff_from_config(cp):
      
      if cp.has_option('model', 'high-frequency-cutoff'):
          high_frequency_cutoff = float(
              cp.get('model', 'high-frequency-cutoff'))
      else:
          high_frequency_cutoff = None
      return high_frequency_cutoff
docs: Gets the high frequency cutoff from the given config file.
  
      This looks for ``high-frequency-cutoff`` in the ``[model]`` section and
      casts it to float. If none is found, will just return ``None``.
  
      Parameters
      ----------
      cp : WorkflowConfigParser
          Config file parser to read.
  
      Returns
      -------
      float or None :
          The high frequency cutoff.