these 2 derivations will be built:
  /nix/store/7p7wmqxqjyy6fnzzmd883j710vnp1qpj-python3-3.14.6-env.drv
  /nix/store/dqbfwgz2v0lsmc7h9d696hnsjx8ysyxl-nix-shell.drv