anchor.diff:  buildPythonPackage rec {
     pname = "qcs-api-client";
     version = "0.20.9";
  -  format = "setuptools";
  +  format = "pyproject";
   
     disabled = pythonOlder "3.7";
   
  -  src = fetchPypi {
  -    inherit pname version;
  -    sha256 = "7b4e890ca9d9996060690629eee88db49c5fa4bde520910d48dd20323d1c5574";
  +  src = fetchFromGitHub {
  +    owner = "rigetti";
  +    repo = "qcs-api-client-python";
  +    rev = "v${version}";
  +    hash = "sha256-bQ+5TZzjxGnNRsENEW/sN7sF6SOcgWl4MFtLekD0D+8=";
     };
  +
  +  nativeBuildInputs = [
  +    poetry-core
  +  ];
   
     propagatedBuildInputs = [
       attrs
  
positive.code: { lib
  , attrs
  , buildPythonPackage
  , fetchPypi
  , httpx
  , iso8601
  , pydantic
  , pyjwt
  , pytest-asyncio
  
negative.code:     respx
    ];
  
    patches = [
      # Switch to poetry-core, https://github.com/rigetti/qcs-api-client-python/pull/2
      (fetchpatch {
        name = "switch-to-poetry-core.patch";
        url = "https://github.com/rigetti/qcs-api-client-python/commit/32f0b3c7070a65f4edf5b2552648d88435469e44.patch";
        sha256 = "sha256-mOc+Q/5cmwPziojtxeEMWWHSDvqvzZlNRbPtOSeTinQ=";
      })
    ];
  
    postPatch = ''
      substituteInPlace pyproject.toml \
        --replace 'attrs = "^20.1.0"' 'attrs = "*"' \
        --replace 'httpx = "^0.15.0"' 'httpx = "*"' \
        --replace 'iso8601 = "^0.1.13"' 'iso8601 = "*"' \
        --replace 'pydantic = "^1.7.2"' 'pydantic = "*"' \
        --replace 'pyjwt = "^1.7.1"' 'pyjwt = "*"'
    '';
  
    disabledTestPaths = [
      # Test is outdated
      "tests/test_client/test_client.py"
    ];
  
    pythonImportsCheck = [
      "qcs_api_client"
  