Also restore port consideration when re-injecting credentials for found links.

setuptools/package_index.py

@@ -1083,7 +1083,7 @@ def open_with_auth(url, opener=urllib.request.urlopen):
         # Put authentication info back into request URL if same host,
         # so that links found on the page will work
         s2, h2, path2, param2, query2, frag2 = urllib.parse.urlparse(fp.url)
-        if s2 == scheme and h2 == parsed.hostname:
+        if s2 == scheme and h2 == address:
             parts = s2, netloc, path2, param2, query2, frag2
             fp.url = urllib.parse.urlunparse(parts)