anchor.diff:      description = "Man-in-the-middle proxy";
       homepage = http://mitmproxy.org/;
       license = licenses.mit;
  -    maintainers = with maintainers; [ fpletz ];
  +    maintainers = with maintainers; [ fpletz kamilchm ];
     };
   }
  
positive.code: { stdenv, fetchpatch, fetchFromGitHub, python3, glibcLocales }:
  
  let
    p = python3.override {
  
negative.code:         src = oldAttrs.src.override {
            inherit version;
            sha256 = "00daa04c9870345f56605d91d7d4897bc1b16f6fff7c74cb602b08ef16c0fb43";
          };
        });
        pyopenssl = super.pyopenssl.overridePythonAttrs (oldAttrs: rec {
          version = "17.0.0";
          name = "${oldAttrs.pname}-${version}";
          src = oldAttrs.src.override {
            inherit version;
            sha256 = "1pdg1gpmkzj8yasg6cmkhcivxcdp4c12nif88y4qvsxq5ffzxas8";
          };
          patches = fetchpatch {
            url = "https://github.com/pyca/pyopenssl/commit/"
                + "a40898b5f1d472f9449a344f703fa7f90cddc21d.patch";
            sha256 = "0bdfrhfvdfxhfknn46s4db23i3hww6ami2r1l5rfrri0pn8b8mh7";
          };
        });
      };
  