code: def manifest_path_is_old(self, path):
          '''return true if path is more than a day old'''
          mtime = os.path.getmtime(path)
          return (time.time() - mtime) > 24*60*6f manifest_path_is_old(self, path):
          '''return true if path is more than a day old'''
          mtime = os.path.getmtime(path)
          return (time.time() - mtime) > 24*60*60
docs: return true if path is more than a day old