anchor.diff: -{ stdenv, buildPythonPackage, fetchPypi, blessings, mock, nose, pyte, wcwidth, typing }:
  +{ stdenv, buildPythonPackage, fetchPypi, fetchpatch, pythonOlder, blessings, mock, nose, pyte, wcwidth, typing }:
   
   buildPythonPackage rec {
     pname = "curtsies";
  
positive.code:     sha256 = "89c802ec051d01dec6fc983e9856a3706e4ea8265d2940b1f6d504a9e26ed3a9";
    };
  
    propagatedBuildInputs = [ blessings wcwidth typing ];
  
    checkInputs = [ mock pyte nose ];
  
  
negative.code: 
    meta = with stdenv.lib; {
      description = "Curses-like terminal wrapper, with colored strings!";
      homepage = https://github.com/bpython/curtsies;
      license = licenses.mit;
      maintainers = with maintainers; [ flokli ];
    };
  