anchor.diff:          serverAliases = cfg.webHosts;
           locations = {
             "/".extraConfig = "uwsgi_pass unix:/run/mailman-web.socket;";
  -          "/static/".alias = settings.STATIC_ROOT + "/";
  +          "/static/".alias = webSettings.STATIC_ROOT + "/";
           };
         };
       };
  
positive.code:   ###### implementation
  
    config = mkIf cfg.enable {
  
      assertions = let
        inherit (config.services) postfix;
  
negative.code: 
        import json
  
        with open('${webSettingsJSON}') as f:
            globals().update(json.load(f))
  
        with open('/var/lib/mailman-web/settings_local.json') as f:
  