This reverts commit 1dff87feb9cdb23f040422deba3697f5cebf79dc.
The upstream file was restored to its previous version.
This fixes checksum locally for me. Please confirm it's not limited to my system. Could be some regional CDN problem.
Convert the port to pure go:modules (GH_TUPLE is not required), which is a) better and b) solves the checksum issue as a side-effect.