Add error handling for demo initialization

app.py

@@ -242,7 +242,16 @@ def build_interface():
     
     return demo
 
-demo = build_interface()
+# For Gradio Spaces
+try:
+    demo = build_interface()
+except Exception as e:
+    print(f"Error: {e}")
+    import traceback
+    traceback.print_exc()
+    with gr.Blocks() as demo:
+        gr.Markdown("# Error")
+        gr.Markdown(str(e))
 
 if __name__ == "__main__":
     demo.launch()