anchor.diff:        sha256 = "sha256-/RZG+7Pmd7rmxMZf8Fvg09dUggs2MqXZahfRQ5cLcuM=";
       })
     ];
  +
  +  postPatch = ''
  +    sed -i 's|/usr/share/libvirt/cpu_map.xml|${system-libvirt}/share/libvirt/cpu_map.xml|g' virtinst/capabilities.py
  +    sed -i "/'install_egg_info'/d" setup.py
  +  '';
   
     postConfigure = ''
       ${python3.interpreter} setup.py configure --prefix=$out
  
positive.code: , e2fsprogs, findutils, gzip, cdrtools, xorriso, fetchpatch
  , spiceSupport ? true, spice-gtk ? null
  }:
  
  with lib;
  
  python3.pkgs.buildPythonApplication rec {
    pname = "virt-manager";
  
negative.code:     libvirt-glib vte dconf gtk-vnc gnome.adwaita-icon-theme avahi
      gsettings-desktop-schemas libosinfo gtksourceview4
      gobject-introspection # Temporary fix, see https://github.com/NixOS/nixpkgs/issues/56943
    ] ++ lib.optional spiceSupport spice-gtk;
  
    propagatedBuildInputs = with python3.pkgs; [
      pygobject3 libvirt libxml2 requests cdrtools
    ];
  
     patches = [
       # due to a recent change in setuptools-61, "packages=[]" needs to be included
  