anchor.diff:      sha256 = "sha256-iExy+mUs1uqs/u9N6btlqyP6/TvoPVsuOuzs56zZAS8=";
     };
   
  -  # Pydicom needs pydicom-data to run some tests. If these files are downloaded
  +  # Pydicom needs pydicom-data to run some tests. If these files aren't downloaded
     # before the package creation, it'll try to download during the checkPhase.
     test_data = fetchFromGitHub {
       owner = "${pname}";
  
positive.code: in
  buildPythonPackage {
    inherit pname version src;
    disabled = isPy27;
  
    propagatedBuildInputs = [ numpy pillow ];
  
    checkInputs = [ pytest-runner pytestCheckHook ];
  
    # Setting $HOME to prevent pytest to try to create a folder inside
    # /homeless-shelter which is read-only.
  
negative.code: , stdenv
  , buildPythonPackage
  , fetchFromGitHub
  , pythonOlder
  , pytestCheckHook
  , numpy
  , pillow
  , setuptools
  }:
  
  let
  