{"msg": "Internal Server Error", "code": 500, "data": {"traceback": "Traceback (most recent call last):\n File \"/root/.pyenv/versions/app352/lib/python3.5/site-packages/tornado/web.py\", line 1699, in _execute\n result = await result\n File \"../qcv_common/utils/decorators.py\", line 81, in wrapper\n await func(self, *args, **kwargs)\n File \"/home/worker/project/qcv_web/handlers/live.py\", line 139, in get\n if live['tags']:\nTypeError: 'NoneType' object is not subscriptable\n"}}