docs: def _add_cadd_score(self, variant_obj, info_dict):
          """Add the cadd score to the variant
          
              Args:
                  variant_obj (puzzle.models.Variant)
                  info_dict (dict): A info dictionary
          """
          cadd_score = info_dict.get('CADD')
          if cadd_score:
              logger.debug("Updating cadd_score to: {0}".format(
                  cadd_score))
              variant_obj.cadd_score = float(cadd_score)