Update chatbot_rag.py

chatbot_rag.py

@@ -9,8 +9,12 @@ import traceback
 
 import os
 from huggingface_hub import login
-
-login(token=os.getenv("HF_TOKEN"))   
+token = os.getenv("HF_TOKEN")
+print("🔑 HF_TOKEN available?", token is not None)
+if token:
+    login(token=token)
+else:
+    print("❌ No HF_TOKEN found in environment")
 
 
 def build_qa():