Update app.py

app.py

@@ -14,7 +14,7 @@ token = os.environ['model_fetch']
 
 engine_repo = Repository(local_dir="engine", clone_from="felixrosberg/EngageDiffusion", use_auth_token=token)
 
-from engine.ui_model import fetch_model, process_sketch, process_mask, run_model, run_text_to_image
+from engine.ui_model import fetch_model, process_sketch, process_mask, run_model
 
 engage_logo = Image.open("engage_studios_logo.png").resize((700, 88), Image.Resampling.BICUBIC)
 engage_logo_mask = np.array(engage_logo.split()[-1])[..., None] / 255