anchor.diff:  }:
   
   python.pkgs.buildPythonApplication rec {
  -  version = "0.9.0";
  +  version = "0.10.0";
     name = "bcc-${version}";
   
     srcs = [
  
positive.code:       owner  = "iovisor";
        repo   = "bcc";
        rev    = "v${version}";
        sha256 = "0gi12bsjaw1d77rx11wkdg4szcydwy55z6mkx558nfvdym0qj7yw";
        name   = "bcc";
      })
  
  
negative.code:     (fetchFromGitHub {
        owner  = "libbpf";
        repo   = "libbpf";
        rev    = "0e37e0d03ac99987401e4496d3d76d44237b9963";
        sha256 = "0wjf9dhvqkwiwnygzikamrgmpxgq77h2pxx6mi4pnbw0lxlppivr";
        name   = "libbpf";
      })
    ];
  