anchor.diff:        pulseaudio_lib
       ];
   
  +    postPatch = ''
  +      export MUMBLE_PYTHON="$(type -tP python)"
  +    '';
  +
       configureFlags = [
         "CONFIG+=no-server"
       ];
  
positive.code: 
    client = source: generic {
      type = "mumble";
  
      buildInputs = [
        alsa-lib
  
negative.code: { stdenv
  , fetchurl
  , fetchgit
  , python
  
  , alsa-lib
  , avahi
  