this derivation will be built:
  /nix/store/mpnal4lbs987pikk7bngyqx99c3qzvzj-bernstein-3.18.0.drv
these 2 paths will be fetched (643.3 KiB download, 3.5 MiB unpacked):
  /nix/store/pk995xxarq40dzqrwcf9cb4pw9ycm42i-python3.14-mcp-1.29.0
  /nix/store/maabq3wn23qn8w9695m3dpll6rnin0r0-python3.14-signxml-5.1.0