anchor.diff:  
       nativeBuildInputs = [
         cmake
  -      pkg-config which git python3Packages.wrapPython makeWrapper
  -      python3Packages.python # for the toPythonPath function
  +      pkg-config which git python.pkgs.wrapPython makeWrapper
  +      python.pkgs.python # for the toPythonPath function
         (ensureNewerSourcesHook { year = "1980"; })
  -      python3
  +      python
         fmt
         # for building docs/man-pages presumably
         doxygen
  
positive.code:      platforms = [ "x86_64-linux" "aarch64-linux" ];
     };
  
    ceph-common = python3Packages.buildPythonPackage rec{
      pname = "ceph-common";
      inherit src version;
  
      sourceRoot = "ceph-${version}/src/python-common";
  
      checkInputs = [ python3Packages.pytest ];
      propagatedBuildInputs = with python3Packages; [ pyyaml six ];
  
      meta = getMeta "Ceph common module for code shared by manager modules";
    };
  
    ceph-python-env = python3Packages.python.withPackages (ps: [
      ps.sphinx
      ps.flask
      ps.cython
  
negative.code:     ps.pyjwt
      ps.webob
      ps.bcrypt
      ps.scipy
      ps.six
      ps.pyyaml
    ]);
  