Update app.py

app.py

@@ -1,7 +1,7 @@
 
 import os
-os.environ['Open_AI_Key']
-os.environ['HF_Key']
+Open_AI_Key = os.environ['Open_AI_Key']
+HF_Key = os.environ['HF_Key']
 import openai
 import json
 
@@ -14,7 +14,7 @@ from langchain import OpenAI
 # handling data on space
 
 from huggingface_hub import HfFileSystem
-fs = HfFileSystem(token="HF_Key")
+fs = HfFileSystem(token=HF_Key)
 
 text_list = fs.ls("datasets/GoChat/Gochat247_Data/Data", detail=False)