anchor.diff:  
     cymem = callPackage ../development/python-modules/cymem { };
   
  -  ftfy = callPackage ../development/python-modules/ftfy { };    
  -
  -  murmurhash = callPackage ../development/python-modules/murmurhash { };      
  -
  -  plac = callPackage ../development/python-modules/plac { };        
  -  
  +  ftfy = callPackage ../development/python-modules/ftfy { };
  +
  +  murmurhash = callPackage ../development/python-modules/murmurhash { };
  +
  +  plac = callPackage ../development/python-modules/plac { };
  +
     preshed = callPackage ../development/python-modules/preshed { };
   
  -  thinc = callPackage ../development/python-modules/thinc { };  
  -
  -  spacy = callPackage ../development/python-modules/spacy { };  
  +  thinc = callPackage ../development/python-modules/thinc { };
  +
  +  spacy = callPackage ../development/python-modules/spacy { };
   });
   
   in fix' (extends overrides packages)
  
positive.code:   };
  
    easydict = callPackage ../development/python-modules/easydict { };
    
    EasyProcess = buildPythonPackage rec {
      name = "EasyProcess-0.2.3";
  
  
negative.code:   logfury = buildPythonPackage rec {
      name = "logfury-${version}";
      version = "0.1.2";
  
      src = pkgs.fetchurl {
        url = "mirror://pypi/l/logfury/${name}.tar.gz";
        sha256 = "1lywirv3d1lw691mc4mfpz7ak6r49klri43bbfgdnvsfppxminj2";
      };
  
      buildInputs =
        [ self.funcsigs
          self.six
        ];
  
      meta = with pkgs.stdenv.lib; {
        description = "Logfury is for python library maintainers. It allows for responsible, low-boilerplate logging of method calls.";
        homepage = "https://github.com/ppolewicz/logfury";
  