def start(self):
    self._startup_thread = threading.Thread(
        target=self._refresh, name='Mtime File Watcher')
    self._startup_thread.start()
Start watching a directory for changes.
dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/mtime_file_watcher.py/MtimeFileWatcher.start