these 2 derivations will be built:
  /nix/store/knamvg7693d708yaqil2cz23l0bcwffq-python3-3.13.16-env.drv
  /nix/store/1h7kdzf776vds0488whabi8ghx052pf9-mypy.drv
this path will be fetched (15.0 MiB download, 78.4 MiB unpacked):
  /nix/store/aijdkw42mycf8aw6a2hvsgd6zh6g5gp4-python3.13-mypy-2.1.0