this derivation will be built:
  /nix/store/am3p2sjrpnn4kd9qx8rq90lp0rjgrwqp-calendar-cli-1.0.0.drv
these 2 paths will be fetched (249.4 KiB download, 1.2 MiB unpacked):
  /nix/store/ysy0vi43jl65fb3xmlzl68qsmkjz8d8i-python3.14-aiostream-0.7.2
  /nix/store/5sgip0ac6jlg0kz9la90vg21q1idbr6z-python3.14-vdirsyncer-0.20.0