anchor.diff:    src = fetchPypi {
       inherit version;
       pname = "Scrapy";
  -    hash = "sha256-vf8arzVHwuVAQ206uGgLIQOTJ71dOi74nDQWWZLT5fM=";
  +    hash = "sha256-Ssvg8fX7XqkTU1EriVjtMEvCX2373ig5oNh6SUNRWLk=";
     };
   
     nativeBuildInputs = [
  
positive.code: , itemloaders
  , jmespath
  , lxml
  , parsel
  , protego
  , pydispatcher
  
negative.code: 
  buildPythonPackage rec {
    pname = "scrapy";
    version = "2.7.0";
    format = "setuptools";
  
    disabled = pythonOlder "3.7";
  