Update app.py

app.py

@@ -342,7 +342,7 @@ def get_mrt():
                     guidance_weight=5.0,
                     device="gpu",
                     checkpoint_dir=ckpt_dir,
-                    lazy=False
+                    lazy=True  # Avoid warm start that causes XlaCallModuleOp version error
                 )
                 # If no assets loaded yet, and a repo is configured, load them now.
                 if asset_manager.mean_embed is None and asset_manager.centroids is None: