Last changed as part of T134730: Fix up the UploadWizard-api for beta cluster, the file has
http://effbot.org/media/downloads/PIL-1.1.7.tar.gz#egg=PIL
And if we try and get this file...
$ curl -I -L http://effbot.org/media/downloads/PIL-1.1.7.tar.gz HTTP/1.1 301 Moved Permanently Content-Type: text/html Server: GitHub.com Location: https://effbot.org/media/downloads/PIL-1.1.7.tar.gz X-GitHub-Request-Id: 9E28:CFCB:D6A283:E3ABD3:5FFB9483 Content-Length: 162 Accept-Ranges: bytes Date: Sun, 10 Jan 2021 23:58:01 GMT Via: 1.1 varnish Age: 6 Connection: keep-alive X-Served-By: cache-lcy19257-LCY X-Cache: HIT X-Cache-Hits: 1 X-Timer: S1610323082.994109,VS0,VE1 Vary: Accept-Encoding X-Fastly-Request-ID: 992d78a96212a5500e6c3fe2b51dadb211dd91de HTTP/2 404 content-type: text/html; charset=utf-8 server: GitHub.com access-control-allow-origin: * etag: "5fc8edf5-32" x-proxy-cache: MISS x-github-request-id: 6B78:1A93:27B943:2AB5DE:5FFB9489 accept-ranges: bytes date: Sun, 10 Jan 2021 23:58:02 GMT via: 1.1 varnish age: 0 x-served-by: cache-lcy19274-LCY x-cache: MISS x-cache-hits: 0 x-timer: S1610323082.084637,VS0,VE103 vary: Accept-Encoding x-fastly-request-id: 2a67fc6ab942d25cefcef424e86cff84cc2a5ea1 content-length: 50
Not sure if these are still actually used for anything, but obviously it would be broken