anchor.diff:        range of purposes, from data mining to monitoring and automated testing.
       '';
       homepage = "https://scrapy.org/";
  +    changelog = "https://github.com/scrapy/scrapy/raw/${version}/docs/news.rst";
       license = licenses.bsd3;
       maintainers = with maintainers; [ drewkett marsam ];
       platforms = platforms.unix;
  
positive.code: 
  buildPythonPackage rec {
    pname = "scrapy";
    version = "2.5.0";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = pname;
      repo = pname;
      rev = version;
      sha256 = "09lxnjz1cw37i9bgk8sci2xxknj20gi2lq8l7i0b3xw7q8bxzp7h";
    };
  
    nativeBuildInputs = [
  
negative.code: , buildPythonPackage
  , cryptography
  , cssselect
  , fetchPypi
  , fetchpatch
  , glibcLocales
  , installShellFiles
  