anchor.diff:  { lib
  +, attrs
   , buildPythonPackage
   , fetchFromGitHub
  -, pytestCheckHook
  -, pythonOlder
  -, attrs
   , linkify-it-py
  +, mdurl
   , psutil
   , pytest-benchmark
   , pytest-regressions
  +, pytestCheckHook
  +, pythonOlder
   , typing-extensions
   }:
   
   buildPythonPackage rec {
     pname = "markdown-it-py";
  -  version = "1.1.0";
  +  version = "2.0.0";
     format = "pyproject";
   
     disabled = pythonOlder "3.6";
  
positive.code:     owner = "executablebooks";
      repo = pname;
      rev = "v${version}";
      sha256 = "0h7rn3rcqfwmnqs97qczwkw9w5g4df8bgn6sw7k149svfqgrkf56";
    };
  
    propagatedBuildInputs = [ attrs linkify-it-py ]
      ++ lib.optional (pythonOlder "3.8") typing-extensions;
  
    checkInputs = [
      psutil
  
negative.code:     pytest-regressions
      pytestCheckHook
    ];
  
    pythonImportsCheck = [
      "markdown_it"
    ];
  
    meta = with lib; {
      description = "Markdown parser in Python";
      homepage = "https://markdown-it-py.readthedocs.io/";
      changelog = "https://github.com/executablebooks/markdown-it-py/blob/${src.rev}/CHANGELOG.md";
      license = licenses.mit;
      maintainers = with maintainers; [ bhipple ];
  