anchor.diff:      export PY_IGNORE_IMPORTMISMATCH=1
     '';
   
  -  pythonImportsCheck = [ "asdf" ];
  +  pythonImportsCheck = [
  +    "asdf"
  +  ];
   
     meta = with lib; {
       description = "Python tools to handle ASDF files";
  -    homepage = "https://github.com/spacetelescope/asdf";
  +    homepage = "https://github.com/asdf-format/asdf";
       license = licenses.bsd3;
       maintainers = with maintainers; [ costrouc ];
     };
  
positive.code:   ];
  
    checkInputs = [
      pytest-astropy
      astropy
      pytestCheckHook
    ];
  
  
negative.code: { lib
  , asdf-standard
  , asdf-transform-schemas
  , astropy
  , buildPythonPackage
  , fetchPypi
  , importlib-resources
  , jmespath
  , jsonschema
  , lz4
  , numpy
  , packaging
  , pytest-astropy
  