Fix on_submit edge case

app.py

@@ -546,9 +546,8 @@ def on_submit(
                 ov_quant_dataset_num_samples,
             )
     except FileExistsError as exc:
-        return "Commit or PR url:<br>...", gr.Textbox(str(exc), visible=True)
+        return "Commit or PR url:<br>...", inference_snippet, gr.Textbox(str(exc), visible=True)
 
-    
     if create_pr:
         url, num = get_last_pr(output_model_id)
         return f"PR url:<br>{url}", inference_snippet.replace("pr_number = 2", f"pr_number = {num}"), gr.Textbox(visible=False)