{
    "error":-1,
    "details":"Unexpected error.",
    "traceback":[
        "Traceback (most recent call last):\n",
        "  File \"/app/venv/lib/python3.7/site-packages/tornado/web.py\", line 1704, in _execute\n    result = await result\n",
        "  File \"/app/web/handlers/index.py\", line 126, in get\n    return await self.return_main_page(token)\n",
        "  File \"/app/web/handlers/index.py\", line 152, in return_main_page\n    raise e\n",
        "  File \"/app/web/handlers/index.py\", line 149, in return_main_page\n    await self._load_static_file('index.html')\n",
        "  File \"/app/core/handlers/mixins.py\", line 235, in _load_static_file\n    response = await http_client.fetch(uri)\n",
        "tornado.simple_httpclient.HTTPTimeoutError: Timeout in request queue\n"
    ]
}