anchor.diff:      owner = "executablebooks";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-Zw7ZGV/Hd0MRxxQVwkjtE6MJXNLQ0A0PJlQr4x9h2ww=";
  +    sha256 = "sha256-EhMoGSCtlEcm1+1aHn9DhBnLQvolhq62SMF/AdaY1/E=";
     };
   
     nativeBuildInputs = [
  
positive.code: 
  buildPythonPackage rec {
    pname = "mdformat";
    version = "0.7.10";
    format = "pyproject";
  
    disabled = pythonOlder "3.7";
  
negative.code:     pytestCheckHook
    ];
  
    disabledTests = [
      # AssertionError
      "test_no_codeblock_trailing_newline"
      # Issue with upper/lower case
      "default_style.md-options0"
    ];
  
    pythonImportsCheck = [
      "mdformat"
    ];
  
    meta = with lib; {
      description = "CommonMark compliant Markdown formatter";
  