anchor.diff:      ps.pyjwt
       ps.webob
       ps.bcrypt
  -    # scipy > 1.3 breaks diskprediction_local, leading to mgr hang on startup
  -    # Bump (and get rid of scipy_1_3) once these issues are resolved:
  -    # https://tracker.ceph.com/issues/42764 https://tracker.ceph.com/issues/45147
  -    ps.scipy_1_3
  +    ps.scipy
       ps.six
       ps.pyyaml
     ]);
  
positive.code: 
      nativeBuildInputs = [
        cmake
        pkg-config which git python3Packages.wrapPython makeWrapper
        python3Packages.python # for the toPythonPath function
        (ensureNewerSourcesHook { year = "1980"; })
        python3
        fmt
        # for building docs/man-pages presumably
        doxygen
  
negative.code: , ensureNewerSourcesHook
  , cmake, pkg-config
  , which, git
  , boost
  , libxml2, zlib, lz4
  , openldap, lttng-ust
  , babeltrace, gperf
  