fix a typo

app.py

@@ -443,7 +443,7 @@ def infer(lq_sequence, task_name, mask, seed, progress=gr.Progress(track_tqdm=Tr
     
     except subprocess.CalledProcessError as e:
 
-        if is_shared_ui
+        if is_shared_ui:
             # Clean up temporary input folder
             shutil.rmtree(temp_input_folder)
         torch.cuda.empty_cache()