Add explicit print statement to verify demo is accessible

app.py

@@ -843,7 +843,8 @@ IS_SPACES = (
     os.getenv("HF_SPACE_ID") is not None
 )
 
-# Initialize demo variable to None first (safety measure)
+# Create demo at module level (like HF docs example)
+# Initialize demo variable to None first (safety measure)  
 demo = None
 
 # Create demo at module level (like HF docs example)
@@ -907,6 +908,8 @@ elif not isinstance(demo, (gr.Blocks, gr.Interface)):
         gr.Markdown(f"# Error: Invalid demo type\n\nDemo type: {type(demo)}\n\nPlease check the logs for details.")
 else:
     logger.info(f"✅ Final demo check passed: demo type={type(demo)}")
+    # Explicit print to ensure demo is accessible (Spaces might check this)
+    print(f"DEMO_VARIABLE_SET: {type(demo)}")
 
 # For local execution only (not on Spaces)
 if __name__ == "__main__":