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