anchor.diff:    ];
   
     postPatch = ''
  -    sed -i '/html5lib/ s/\(,\|\)\(!\|>\|<\|=\)\(=\|\)[0-9.]\+//g' setup.py bleach.egg-info/requires.txt
  +    sed -i setup.py \
  +      -i bleach.egg-info/requires.txt \
  +      -e '/html5lib/ s/\(,\|\)\(!\|>\|<\|=\)\(=\|\)[0-9.]\+//g'
     '';
   
  -  meta = with stdenv.lib; {
  +  meta = with lib; {
       maintainers = with maintainers; [
         wkennington
       ];
  
positive.code: { stdenv
  , buildPythonPackage
  , fetchPyPi
  
  , html5lib
  , six
  }:
  
  let
    version = "1.5.0";
  in
  buildPythonPackage {
    name = "bleach-${version}";
  
negative.code:   src = fetchPyPi {
      package = "bleach";
      inherit version;
      sha256 = "b9522130003e4caedf4f00a39c120a906dcd4242329c1c8f621f5370203cbc30";
    };
  
    propagatedBuildInputs = [
  