… while calling the 'throw' builtin
         at /private/var/lib/ofborg/checkout/repo/38dca4e3aa6bca43ea96d2fcc04e8229/builder/ofborg-core/pkgs/top-level/python-aliases.nix:809:11:
          808|   types-typed-ast = throw "types-typed-ast was removed because so was typed-ast"; # added 2025-05-24
          809|   uamqp = throw "'uamqp' has been removed because it is broken and unmaintained."; # added 2025-06-11
             |           ^
          810|   ufoLib2 = ufolib2; # added 2024-01-07

       error: 'uamqp' has been removed because it is broken and unmaintained.