Fix bug

rag_module.py

@@ -15,10 +15,6 @@ from langchain_mistralai.chat_models import ChatMistralAI
 #chain modules
 from langchain.chains import RetrievalQA
 
-# login for accessing repo model
-from huggingface_hub import login
-login(token=os.environ.get("HFTOKEN"))
-
 # import PyPDF2
 import os
 import re
@@ -26,6 +22,10 @@ from dotenv import load_dotenv
 load_dotenv()
 from collections import defaultdict
 
+# login for accessing repo model
+from huggingface_hub import login
+login(token=os.environ.get("HFTOKEN"))
+
 
 class RagModule():
     def __init__(self):