this derivation will be built:
  /nix/store/7dkckv9gp74j3cbqymzq8bmmh669khcx-bernstein-3.18.0.drv
these 2 paths will be fetched (643.3 KiB download, 3.5 MiB unpacked):
  /nix/store/gqqlv83ikr5bs5f97pvnhagdkyannx3r-python3.14-mcp-1.29.0
  /nix/store/j7h3h89b6m9br8niggr5m34vricfc4p9-python3.14-signxml-5.1.0