Add explicit demo verification logging

app.py

@@ -927,14 +927,20 @@ else:
     demo = None
 
 # Final check: ensure demo is set for Spaces
-if IS_SPACES and demo is None:
-    logger.error("CRITICAL: Demo is None on Spaces! Creating fallback demo.")
-    try:
-        with gr.Blocks() as fallback_demo:
-            gr.Markdown("# Error: Demo was not created properly\n\nPlease check the logs for details.")
-        demo = fallback_demo
-    except:
-        pass
+if IS_SPACES:
+    if demo is None:
+        logger.error("CRITICAL: Demo is None on Spaces! Creating fallback demo.")
+        try:
+            with gr.Blocks() as fallback_demo:
+                gr.Markdown("# Error: Demo was not created properly\n\nPlease check the logs for details.")
+            demo = fallback_demo
+        except Exception as e:
+            logger.error(f"Failed to create fallback demo: {e}")
+    else:
+        logger.info(f"✅ Demo is ready for Spaces. Final check: demo={demo}, type={type(demo)}")
+        # Explicitly ensure demo is accessible
+        if hasattr(demo, 'launch'):
+            logger.info("Demo has launch method - ready to use")
 
 # For local execution only (not on Spaces)
 if __name__ == "__main__":