I get the following error when trying to install the plugin via composer using wpackagist-plugin/import-users-from-csv (which is listed in composer search results) – anything you can do?
[Composer\Downloader\TransportException]
The "http://wpackagist.org/p/wpackagist-plugin/import-users-from-csv$64cef4b5df99777368626d210b31baae98d828e21c9191417d6cfef4c391ec93.json" file could not be downloaded (HTTP/1.1 404 Not Found)