these 2 derivations will be built:
  /nix/store/mcwixav2h68n16g5fbjz93rnpv8pq971-python3-3.13.15-env.drv
  /nix/store/fr1hx499qzqqkay6s418yr25inxwwl61-mypy.drv
these 12 paths will be fetched (75.4 MiB download, 214.0 MiB unpacked):
  /nix/store/3gzjs8czrk47y7cpmr44jc568vqpb2p5-python3-3.13.15
  /nix/store/yv5l57zxkmg67xdbjlrqcsvvr7pz0z0d-python3.13-flit-core-3.12.0
  /nix/store/f3wnk50ch80wx0vna98j5y1qxyvdwwaj-python3.13-iniconfig-2.3.0
  /nix/store/3jnbnix5hf8gjm5rh0cj2zf4i6jz72s4-python3.13-librt-0.13.0
  /nix/store/hdavc8wracgj9hhwnmfn0p2hpa1msawm-python3.13-mypy-2.1.0
  /nix/store/vq2d5vavhqss7b1f36y25lb82j5b613k-python3.13-mypy-extensions-1.1.0
  /nix/store/1n27gqlnvg10l9912jvx9gfkmhhvfywp-python3.13-packaging-26.2
  /nix/store/cbdv2na22y57zxk4il4piizxwrzx29q2-python3.13-pathspec-1.1.1
  /nix/store/1la7isifhs61f1sdgfwazzc2xbp4nxzb-python3.13-pluggy-1.6.0
  /nix/store/jbrcwv4cwk4a7vh8xn50yacvppxd30ww-python3.13-pygments-2.20.0
  /nix/store/09gx6dvrkrg4i3wmnssk8c5qfzb3h5nr-python3.13-pytest-9.1.1
  /nix/store/paq83ya5as7cddww8jlq2zdx2hxvmk7h-python3.13-typing-extensions-4.16.0