anchor.diff:  
     server = pkgs.writeShellScriptBin "script.sh" ''
       cd ${website}
  -    ${python}/bin/python -m http.server
  +    ${python}/bin/python3 -m http.server
     '';
   
     # ------------------------------------------------------------------------------------------
  
positive.code:     ${python}/bin/twine upload --username $PYPI_USERNAME --password $PYPI_PASSWORD ${pythonDist}/*
    '';
  
    # For some reason this function doesn't work with --username and --password params
    publishPypiTest = pkgs.writeShellScriptBin "script.sh" ''
      ${python}/bin/twine upload --username $PYPI_TEST_USERNAME --password $PYPI_TEST_PASSWORD --repository testpypi ${pythonDist}/*
    '';
  
negative.code:       source $stdenv/setup
        export SOURCE_DATE_EPOCH=315532800
        cp -R --no-preserve=mode,ownership $pythonSrc/* .
        python3 setup.py sdist bdist_wheel
        mkdir $out
        cp dist/* $out
      '';
  