anchor.diff:    '';
   
     postPatch = ''
  -    # Verion is not stored in repo, gets added by a GitHub action after tag is created
  +    # Version is not stored in repo, gets added by a GitHub action after tag is created
       # https://github.com/pdfminer/pdfminer.six/pull/727
       substituteInPlace pdfminer/__init__.py --replace "__VERSION__" ${version}
     '';
   
  -  pythonImportsCheck = [ "pdfminer" ];
  +  pythonImportsCheck = [
  +    "pdfminer"
  +    "pdfminer.high_level"
  +  ];
   
  -  checkInputs = [ pytestCheckHook ];
  +  checkInputs = [
  +    pytestCheckHook
  +  ];
   
     passthru = {
       tests = {
  
positive.code: , isPy3k
  , cryptography
  , charset-normalizer
  , pytestCheckHook
  , ocrmypdf
  }:
  
  buildPythonPackage rec {
    pname = "pdfminer-six";
    version = "20220524";
  
    disabled = !isPy3k;
  
  
negative.code:     owner = "pdfminer";
      repo = "pdfminer.six";
      rev = version;
      sha256 = "sha256-OyEeQBuYfj4iEcRt2/daSaUfTOjCVSCyHW2qffal+Bk=";
    };
  
    propagatedBuildInputs = [
      charset-normalizer
      cryptography
    ] ++ lib.optionals (pythonOlder "3.8") [ typing-extensions ];
  
    postInstall = ''
      for file in $out/bin/*.py; do
  