anchor.diff:  , ninja
   
   , pkg-config
  -, python3
  +, python
   , pygobject3
   , gobject-introspection
   , gst-plugins-base
  
positive.code:   ];
  
    mesonFlags = [
      "-Dpygi-overrides-dir=${placeholder "out"}/${python3.sitePackages}/gi/overrides"
    ];
  
    doCheck = true;
  
negative.code:     meson
      ninja
      pkg-config
      python
      gobject-introspection
      gst-plugins-base
    ];
  