Update travel/self_rag_tool.py

travel/self_rag_tool.py

@@ -11,7 +11,8 @@ from typing import Literal
 from transformers import AutoModel, AutoTokenizer
 from pypinyin import lazy_pinyin
 import json
-
+from dotenv import load_dotenv
+_ = load_dotenv()
 class LocationType(BaseModel):
     """
     将用户查询路由到最相关的数据源