anchor.diff:  , pytestCheckHook
   , pytest-asyncio
   , pytest-trio
  -, pytest-cov
  +, typing-extensions
   , trustme
   , uvicorn
   }:
   
   buildPythonPackage rec {
     pname = "httpx";
  -  version = "0.18.0";
  +  version = "0.18.2";
     disabled = pythonOlder "3.6";
   
     src = fetchFromGitHub {
       owner = "encode";
       repo = pname;
       rev = version;
  -    sha256 = "sha256-6EYBTRXaVHBgW/JzZvWLz55AqgocOyym2FVtu2Nkp/U=";
  +    sha256 = "0rr5b6z96yipvp4riqmmbkbcy0sdyzykcdwf5y9ryh27pxr8q8x4";
     };
   
     propagatedBuildInputs = [
  -    brotli
  +    brotlicffi
       certifi
       h2
       httpcore
  
positive.code:     description = "The next generation HTTP client";
      homepage = "https://github.com/encode/httpx";
      license = licenses.bsd3;
      maintainers = [ maintainers.costrouc ];
    };
  }
  
negative.code:     pytestCheckHook
      pytest-asyncio
      pytest-trio
      trustme
      typing-extensions
      uvicorn
    ];
  
  