anchor.diff:  
     disabledTests = [
       "rst"
  +    "test_sunpy_warnings_logging"
  +    "test_main_nonexisting_module"
  +    "test_main_stdlib_module"
     ];
   
     disabledTestPaths = [
       "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/helioprojective-1.0.0.yaml"
       "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/heliocentric-1.0.0.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/heliographic_carrington-*.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/geocentricearthequatorial-1.0.0.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/geocentricsolarecliptic-1.0.0.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/heliocentricearthecliptic-1.0.0.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/coordinates/frames/heliocentricinertial-1.0.0.yaml"
  +    "sunpy/io/special/asdf/schemas/sunpy.org/sunpy/map/generic_map-1.0.0.yaml"
       # requires mpl-animators package
       "sunpy/map/tests/test_compositemap.py"
       "sunpy/map/tests/test_mapbase.py"
  
positive.code: buildPythonPackage rec {
    pname = "sunpy";
    version = "3.1.3";
    disabled = pythonOlder "3.6";
  
    src = fetchPypi {
  
negative.code:   };
  
    nativeBuildInputs = [
      astropy-extension-helpers
      setuptools-scm
    ];
  
    propagatedBuildInputs = [
      asdf
      astropy
      astropy-helpers
      beautifulsoup4
      drms
      glymur
      h5netcdf
      matplotlib
      numpy
      pandas
      parfive
      python-dateutil
      scikitimage
      scipy
      sqlalchemy
      towncrier
      tqdm
      zeep
    ];
  
    checkInputs = [
      hypothesis
      pytest-astropy
      pytest-mock
      pytestCheckHook
    ];
  
    # darwin has write permission issues
  