these 2 derivations will be built:
  /nix/store/sfwq20wxgx905niay1iq4x3lzj3rj3jj-python3-3.14.7-env.drv
  /nix/store/3i8qhk9xlzh1xb4s0knq1y61acjgwj3c-nix-shell.drv