docs: def makeBenchmarkRunner(path, args):
      """
      Make a function that will run two Python processes serially: first one
      which calls the setup function from the given file, then one which calls
      the execute function from the given file.
      """
      def runner():
          return BenchmarkProcess.spawn(
              executable=sys.executable,
              args=['-Wignore'] + args,
              path=path.path,
              env=os.environ)
      return runner