anchor.diff:      repo = "python-fastjsonschema";
       rev = "v${version}";
       fetchSubmodules = true;
  -    sha256 = "sha256-ltxFJ3V5/bckusspQ5o0F4reMoB4KpYWPHF8ZNXGqVQ=";
  +    hash = "sha256-zrdQVFfLZxZRr9qvss4CI3LJK97xl+bY+AcPzcweYeU=";
     };
   
  -  checkInputs = [ pytestCheckHook ];
  +  checkInputs = [
  +    pytestCheckHook
  +  ];
  +
     dontUseSetuptoolsCheck = true;
  +
  +  patches = [
  +    # Can be removed with the next release, https://github.com/horejsek/python-fastjsonschema/pull/134
  +    (fetchpatch {
  +      name = "fix-exception-name.patch";
  +      url = "https://github.com/horejsek/python-fastjsonschema/commit/f639dcba0299926d688e1d8d08a6a91bfe70ce8b.patch";
  +      sha256 = "sha256-yPV5ZNeyAobLrYf5QHanPsEomBPJ/7ZN2148R8NO4/U=";
  +    })
  +  ];
  +
  +
     disabledTests = [
       "benchmark"
       # these tests require network access
  
positive.code: { lib
  , buildPythonPackage
  , pythonOlder
  , fetchFromGitHub
    # Check inputs
  , pytestCheckHook
  }:
  
  buildPythonPackage rec {
    pname = "fastjsonschema";
    version = "2.15.1";
  
    disabled = pythonOlder "3.3";
  
  
negative.code:     "definitions"
    ];
  
    pythonImportsCheck = [
      "fastjsonschema"
    ];
  
    meta = with lib; {
      description = "JSON schema validator for Python";
      homepage = "https://horejsek.github.io/python-fastjsonschema/";
      license = licenses.bsd3;
      maintainers = with maintainers; [ drewrisinger ];
  