anchor.diff:  , pytestCheckHook
   , urllib3
   , isPy27
  +, isPy3k
  +, trustme
   }:
   
   buildPythonPackage rec {
  
positive.code:     chardet
      idna
      urllib3
    ];
  
    checkInputs = [
  
negative.code: { lib
  , brotli
  , brotlicffi
  , buildPythonPackage
  , certifi
  , chardet
  