anchor.diff:  
     doCheck = false;
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Framework for fast, easy and documented API development";
       homepage = https://github.com/noirbizarre/flask-restplus;
       license = licenses.mit;
  
positive.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  
  , aniso8601
  , flask
  
negative.code:       version = "0.8.6";
        sha256 = "3bb76cc156b9a09da62396d82b29fa31e4f27cccf79528538fe7155cf2785593";
      };
      "latest" = {
        version = "0.10.1";
        sha256 = "129767ba6087a6f0a6d1bd901f4c11192b4d33fe80c38cf2a8a0b5f8dd6049e3";
      };
    };
  
  