docs: def parse_csv(file_path: str,
                entrez_id_header,
                log_fold_change_header,
                adjusted_p_value_header,
                entrez_delimiter,
                base_mean_header=None,
                sep=",") -> List[Gene]:
      """Read a csv file on differential expression values as Gene objects.
  
      :param str file_path: The path to the differential expression file to be parsed.
      :param config.Params params: An object that includes paths, cutoffs and other information.
      :return list: A list of Gene objects.
      """
      logger.info("In parse_csv()")
  
      df = pd.read_csv(file_path, sep=sep)
  
      return handle_dataframe(
          df,
          entrez_id_name=entrez_id_header,
          log2_fold_change_name=log_fold_change_header,
          adjusted_p_value_name=adjusted_p_value_header,
          entrez_delimiter=entrez_delimiter,
          base_mean=base_mean_header,
      )