anchor.diff:  { stdenv
   , buildPythonPackage
   , fetchPyPi
  +, lib
   
   , aniso8601
   , flask
  
positive.code: #, rednose
  , tzlocal
  
  , channel ? "0.9"
  }:
  
  let
    inherit (stdenv.lib)
      optionals
      versionOlder;
  
  
negative.code: 
    doCheck = false;
  
    meta = with lib; {
      description = "Framework for fast, easy and documented API development";
      homepage = https://github.com/noirbizarre/flask-restplus;
      license = licenses.mit;
  