anchor.diff:      owner = "cnico";
       repo = pname;
       rev = version;
  -    sha256 = "00qkzr2g38fpa7ndnbfx9m4d50lmz0j74nkxif3amnkbl4m6l5vn";
  +    sha256 = "sha256-/G92WkWUr3T5T7VVzMERFVmLDfLz6m9rlZLQZCBQbCI=";
     };
   
     nativeBuildInputs = [
  
positive.code:     pytestCheckHook
    ];
  
    patches = [
      # Switch to poetry-core, https://github.com/cnico/flipr-api/pull/4
      (fetchpatch {
        name = "switch-to-poetry-core.patch";
        url = "https://github.com/cnico/flipr-api/commit/f14be1dfd4f46d4d43d9ea47e51cafca3cc18e86.patch";
        sha256 = "1fdi19cq21zcjx4g132k480yhi5y0x5qj2l0h8k5zky5cdxs58r6";
      })
    ];
  
    pythonImportsCheck = [ "flipr_api" ];
  
    meta = with lib; {
      description = "Python client for Flipr API";
  
negative.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , poetry-core
  , requests-mock
  , pythonOlder
  