anchor.diff:    version = "1.1.4";
     format = "pyproject";
   
  +  disabled = pythonOlder "3.6";
  +
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "1c9jksza0gg2gva3liy0s8riv6imjavhnqw05m8l5660knq2yb2y";
  +    hash = "sha256-XiwvsJ3AmEJRLYBjC7eSNZodM9LARzrUfuI9oL6eMrE=";
     };
  +
  +  postPatch = ''
  +    # https://github.com/timothycrosley/hypothesis-auto/pull/20
  +    substituteInPlace pyproject.toml \
  +      --replace 'pydantic = ">=0.32.2<2.0.0"' 'pydantic = ">=0.32.2, <2.0.0"' \
  +      --replace 'hypothesis = ">=4.36<6.0.0"' 'hypothesis = "*"'
  +  '';
   
     nativeBuildInputs = [
       poetry
  
positive.code: { lib, buildPythonPackage, fetchPypi
  , hypothesis
  , poetry
  , pydantic
  , pytest
  }:
  
  buildPythonPackage rec {
  
negative.code:     pytest
    ];
  
    pythonImportsCheck = [
      "hypothesis_auto"
    ];
  
    meta = with lib; {
      description = "Enables fully automatic tests for type annotated functions";
  