Update chatbot.py

chatbot.py

@@ -5,8 +5,15 @@ from huggingface_hub import login
 import os
 
 # Force authentication
-    login(token=os.getenv("HF_TOKEN"))
-
+hf_token = os.getenv("HF_TOKEN")
+if hf_token:
+    try:
+        # This confirms your identity to HF
+        login(token=hf_token)
+    except Exception:
+        # If network is down, we just skip login. 
+        # If the model is public, it will still load.
+        pass
 # ================= CACHE THE MODEL =================
 @st.cache_resource
 def load_model():