Update app_recon.py

app_recon.py

@@ -181,7 +181,7 @@ def reconstruction(image, files):
     _, surface, _,  _, _ = bilateral_normal_integration_function(normal_np, mask_output_temp, k=2, K=None, max_iter=100, tol=1e-4, cg_max_iter=5000, cg_tol=1e-3)
     ply_path = os.path.join(dir_name, f"{name_base}_recon.ply")
     surface.save(ply_path, binary=False)
-    return [ply_path], masked_image
+    return ply_path, masked_image
 
 def run_demo():