anchor.diff:  
     meta = with lib; {
       description = "IPython: Productive Interactive Computing";
  -    homepage = "http://ipython.org/";
  +    homepage = "https://ipython.org/";
       license = licenses.bsd3;
       maintainers = with maintainers; [ bjornfor fridh ];
     };
  
positive.code: # Runtime dependencies
  , appnope
  , backcall
  , black
  , decorator
  , jedi
  , matplotlib-inline
  
negative.code: 
    propagatedBuildInputs = [
      backcall
      decorator
      jedi
      matplotlib-inline
  