After support uWSGI[1], Watcher endpoint changed from http://ip:port to http://ip/infra-optim. method _make_connection_url in HTTPClient class can't return the correct url. This patch fixed it. [1]: https://review.opendev.org/#/c/666779/ Change-Id: I77e610cd6781b252327a49aa5cd5bc63d395bf91 Closes-Bug: #1837186