anchor.diff: -{ lib, stdenv, fetchFromGitHub, mkYarnPackage, writeText, python3Packages }:
  +{ lib, stdenv, fetchFromGitHub, mkYarnPackage, writeText, python3 }:
   
   let
     version = "0.2.3";
  
positive.code:     echo "$gunicornScript" > $out/bin/powerdns-admin
      chmod +x $out/bin/powerdns-admin
      wrapProgram $out/bin/powerdns-admin \
        --set PATH ${python3Packages.python}/bin \
        --set PYTHONPATH $out/share:$program_PYTHONPATH
  
      runHook postInstall
  
negative.code:     sha256 = "16faz57d77mxkflkvwyi8gb9wvnq2vhw79b84v1fmqvxri1yaphw";
    };
  
    python = python3.override {
      packageOverrides = self: super: {
        dnspython = super.dnspython.overridePythonAttrs (oldAttrs: rec {
          version = "1.16.0";
          src = oldAttrs.src.override {
            inherit version;
            sha256 = "36c5e8e38d4369a08b6780b7f27d790a292b2b08eea01607865bf0936c558e01";
          };
        });
      };
    };
  
    pythonDeps = with python.pkgs; [
      flask flask_assets flask_login flask_sqlalchemy flask_migrate flask-seasurf flask_mail flask-sslify
      mysqlclient sqlalchemy
      configobj bcrypt requests ldap pyotp qrcode dnspython
      gunicorn python3-saml pyopenssl pytz cssmin jsmin authlib bravado-core
      lima pytimeparse pyyaml
    ];
  