anchor.diff:    inherit pname version src;
     disabled = pythonOlder "3.6";
   
  -  propagatedBuildInputs = [ numpy pillow setuptools ];
  +  propagatedBuildInputs = [
  +    numpy
  +    pillow
  +    setuptools
  +  ];
   
  -  checkInputs = [ pytestCheckHook ];
  +  checkInputs = [
  +    pytestCheckHook
  +  ];
   
     # Setting $HOME to prevent pytest to try to create a folder inside
     # /homeless-shelter which is read-only.
  
positive.code:     "test_time_check"
    ];
  
    meta = with lib; {
      homepage = "https://pydicom.github.io";
      description = "Pure-Python package for working with DICOM files";
      license = licenses.mit;
      maintainers = with maintainers; [ bcdarwin ];
    };
  
negative.code: 
  let
    pname = "pydicom";
    version = "2.2.2";
  
    src = fetchFromGitHub {
      owner = "${pname}";
      repo = "${pname}";
      rev = "v${version}";
      sha256 = "sha256-p5hJAUsactv6UEvbVaF+zk4iapx98eYkC9Zo+lzFATA=";
    };
  
    # Pydicom needs pydicom-data to run some tests. If these files aren't downloaded
  