trying https://registry.npmjs.org/swagger-ui-express/-/swagger-ui-express-4.6.0.tgz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  6646  100  6646    0     0  95435      0 --:--:-- --:--:-- --:--:-- 96318