Typo in shutdown with answer_yes

Author: kiendang

jupyter_server/serverapp.py

@@ -1620,7 +1620,7 @@ def _confirm_exit(self):
         info(_i18n('interrupted'))
         # Check if answer_yes is set
         if self.answer_yes:
-            self.log.critical(_("Shutting down..."))
+            self.log.critical(_i18n("Shutting down..."))
             # schedule stop on the main thread,
             # since this might be called from a signal handler
             self.io_loop.add_callback_from_signal(self.io_loop.stop)