Make a confidence report and save it to disk.

def main(argv=None):
  """
  Make a confidence report and save it to disk.
  """
  try:
    _name_of_script, filepath = argv
  except ValueError:
    raise ValueError(argv)
  make_confidence_report_spsa(filepath=filepath, test_start=FLAGS.test_start,
                              test_end=FLAGS.test_end,
                              which_set=FLAGS.which_set,
                              report_path=FLAGS.report_path,
                              nb_iter=FLAGS.nb_iter,
                              batch_size=FLAGS.batch_size,
                              spsa_samples=FLAGS.spsa_samples,
                              spsa_iters=FLAGS.spsa_iters)