anchor.diff:      description = "Common utility functions for codebases which interact with ethereum";
       homepage = "https://github.com/ethereum/eth-utils";
       license = lib.licenses.mit;
  -    maintainers = with lib.maintainers; [ jluttine ];
  +    maintainers = with lib.maintainers; [ SuperSandro2000 ];
     };
   }
  
positive.code: { lib, fetchFromGitHub, buildPythonPackage, pytestCheckHook, eth-hash, eth-typing,
    cytoolz, hypothesis }:
  
  buildPythonPackage rec {
    pname = "eth-utils";
    version = "2.0.0";
  
    # Tests are missing from the PyPI source tarball so let's use GitHub
    # https://github.com/ethereum/eth-utils/issues/130
    src = fetchFromGitHub {
      owner = "ethereum";
      repo = pname;
  
negative.code:     sha256 = "sha256-E2vUROc2FcAv00k50YpdxaaYIRDk1yGSPB8cHHw+7Yw=";
    };
  
    propagatedBuildInputs = [
      eth-hash
      eth-typing
    ] ++ lib.optional (!isPyPy) cytoolz
    ++ lib.optional isPyPy toolz;
  
  
    checkInputs = [
      hypothesis
      pytestCheckHook
    ] ++ eth-hash.optional-dependencies.pycryptodome;
  
    pythonImportsCheck = [ "eth_utils" ];
  
  