code: def _write_csv(self, df, csv_path, chunksize=10**5):
          
          logger.info("Saving DataFrame to %s", csv_path)
          df.to_csv(csv_path, index=False, chunksize=chunksize)
docs: Parameters
          ----------
          df : pandas.DataFrame
  
          csv_path : str
  
          chunksize : int
              Number of rows to write at a time. Helps to limit memory
              consumption while writing a CSV.