code: def read_model_from_config(cp, ifo, section="calibration"):
      
      model = cp.get_opt_tag(section, "{}_model".format(ifo.lower()), None)
      recalibrator = models[model].from_config(cp, ifo.lower(), section)
  
      return recalibrator
docs: Returns an instance of the calibration model specified in the
      given configuration file.
  
      Parameters
      ----------
      cp : WorflowConfigParser
          An open config file to read.
      ifo : string
          The detector (H1, L1)  whose model will be loaded.
      section : {"calibration", string}
          Section name from which to retrieve the model.
  
      Returns
      -------
      instance
          An instance of the calibration model class.