{
  mkShell,
  python3Packages,
}: let
  inherit (python3Packages) python pyuv venvShellHook;
in
  mkShell {
    name = "impurePythonEnv";
    venvDir = "./.venv";
    buildInputs = [
      python

      pyuv

      venvShellHook
    ];

    postVenvCreation = ''
      unset SOURCE_DATE_EPOCH
      pip install kathara
    '';

    postShellHook = ''
      # allow pip to install wheels
      unset SOURCE_DATE_EPOCH

      alias kat="python -m kathara"
      alias ks="python -m kathara lstart"
      alias kr="python -m kathara lrestart"
      alias kq="python -m kathara lclean"
    '';
  }