anchor.diff: -{ lib, stdenv
  +{ lib
  +, stdenv
   , buildPythonPackage
   , pythonOlder
   , fetchPypi
   , python
  -, zope_interface
  +, appdirs
  +, attrs
  +, automat
  +, bcrypt
  +, constantly
  +, contextvars
  +, cryptography
  +, git
  +, glibcLocales
  +, h2
  +, hyperlink
  +, idna
   , incremental
  -, automat
  -, constantly
  -, hyperlink
  +, priority
  +, pyasn1
   , pyhamcrest
  -, attrs
  +, pynacl
   , pyopenssl
  +, pyserial
   , service-identity
   , setuptools
  -, idna
   , typing-extensions
  -, pyasn1
  -, cryptography
  -, appdirs
  -, bcrypt
  -, pynacl
  -, pyserial
  -, h2
  -, priority
  -, contextvars
  +, zope_interface
   }:
  +
   buildPythonPackage rec {
  -  pname = "Twisted";
  +  pname = "twisted";
     version = "22.4.0";
   
     disabled = pythonOlder "3.6";
  
positive.code:       and licensed under the MIT license.
      '';
      license = licenses.mit;
      maintainers = [ ];
    };
  }
  
negative.code:   format = "setuptools";
  
    src = fetchPypi {
      pname = "Twisted";
      inherit version;
      extension = "tar.gz";
      sha256 = "sha256-oEeZD1ffrh4L0rffJSbU8W3NyEN3TcEIt4xS8qXxNoA=";
    };
  
    propagatedBuildInputs = [
      attrs
      automat
      constantly
      hyperlink
      incremental
      setuptools
      typing-extensions
      zope_interface
    ];
  
    passthru.extras-require = rec {
      tls = [ pyopenssl service-identity idna ];
  