anchor.diff:  
     doCheck = false;
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       description = "Simple framework for creating REST APIs";
       homepage = https://github.com/flask-restful/flask-restful/;
       license = licenses.bsd3;
  
positive.code: }:
  
  let
    inherit (stdenv.lib)
      optionals;
  in
  buildPythonPackage rec {
    name = "flask-restful-${version}";
    version = "0.3.5";
  
    src = fetchPyPi {
      package = "Flask-RESTful";
      inherit version;
      sha256 = "cce4aeff959b571136b5af098bebe7d3deeca7eb1411c4e722ff2c5356ab4c42";
    };
  
    buildInputs = [
  
negative.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  , lib
  
  , aniso8601
  , flask
  