anchor.diff:  { stdenv
   , buildPythonPackage
   , fetchPyPi
  +, lib
   
   , aniso8601
   , flask
  
positive.code: 
    doCheck = false;
  
    meta = with stdenv.lib; {
      description = "Simple framework for creating REST APIs";
      homepage = https://github.com/flask-restful/flask-restful/;
      license = licenses.bsd3;
  
negative.code: }:
  
  let
    inherit (lib)
      optionals;
  
    version = "0.3.6";
  in
  buildPythonPackage rec {
    name = "flask-restful-${version}";
  
    src = fetchPyPi {
      package = "Flask-RESTful";
      inherit version;
      sha256 = "5795519501347e108c436b693ff9a4d7b373a3ac9069627d64e4001c05dd3407";
    };
  
    buildInputs = [
  