anchor.diff:  
     gst-python = callPackage ../development/python-modules/gst-python {
       inherit (pkgs) meson;
  -    gst-plugins-base = pkgs.gst_all_1.gst-plugins-base;
  +    inherit (pkgs.gst_all_1) gst-plugins-base;
     };
   
     gtfs-realtime-bindings = callPackage ../development/python-modules/gtfs-realtime-bindings { };
  
positive.code:   });
  
    libgpuarray = callPackage ../development/python-modules/libgpuarray {
      clblas = pkgs.clblas.override { boost = self.boost; };
      cudaSupport = pkgs.config.cudaSupport or false;
    };
  
  
negative.code:   coveralls = callPackage ../development/python-modules/coveralls { };
  
    cppe = callPackage ../development/python-modules/cppe {
      inherit (pkgs) cppe;
    };
  
    cppheaderparser = callPackage ../development/python-modules/cppheaderparser { };
  