add a new line after "service ends..."

app.py

@@ -131,7 +131,7 @@ def run(hf_token, service, game, functionality, nlp_command):
     timecost = service_end.timestamp() - service_start.timestamp()
     print(
         f">>>>>>>>>>>>>>> service ends at {service_end}, "
-        + f"costs {timecost:.2f}s <<<<<<<<<<<<<<<"
+        + f"costs {timecost:.2f}s <<<<<<<<<<<<<<<\n"
     )
     return json.dumps(outp, indent=4)