these 2 derivations will be built:
  /nix/store/fx04mypylg4lz9k6lyvjya4dy9nxaiw4-python3-3.14.6-env.drv
  /nix/store/7kx4d60xgvfgc8a9kgp49hs5i6n1afpw-nix-shell.drv