Update app.py

app.py

@@ -74,6 +74,10 @@ def check_environment():
 # Run environment check
 check_environment()
 
+# Run Hugging Face Hub connectivity test
+if st.session_state.debug:
+    test_huggingface_hub_access()
+
 # Main title and description
 st.title("Deepfake Image Analyser")
 st.markdown("Analyse images for deepfake manipulation")
@@ -88,6 +92,26 @@ def check_gpu():
         st.sidebar.warning("⚠️ No GPU detected. Analysis will be slower.")
         return False
 
+# Test Hugging Face Hub connectivity
+def test_huggingface_hub_access():
+    """Test connectivity to the Hugging Face Hub"""
+    try:
+        from huggingface_hub import HfApi
+        api = HfApi()
+        
+        # Try to get info for a public model
+        model_info = api.model_info("openai/clip-vit-base-patch32")
+        
+        # If we get here, access worked
+        st.sidebar.success("✅ Hugging Face Hub connectivity: Good")
+        return True
+    except Exception as e:
+        st.sidebar.error(f"⚠️ Hugging Face Hub connectivity issue: {str(e)}")
+        if st.session_state.debug:
+            import traceback
+            st.sidebar.error(traceback.format_exc())
+        return False
+
 # Sidebar components
 st.sidebar.title("About")
 st.sidebar.markdown("""