this derivation will be built:
  /nix/store/wqaxhvaz8lgxxgn63vsawvwsgsbcz99c-bernstein-3.15.1.drv
this path will be fetched (538.7 KiB download, 3.0 MiB unpacked):
  /nix/store/3v6gzzik00bmqc0ix9hv1815l980qvim-python3.14-mcp-1.29.0