anchor.diff:        description = "mopidy local files scanner";
         preStart = "mkdir -p ${cfg.dataDir} && chown -R mopidy:mopidy  ${cfg.dataDir}";
         serviceConfig = {
  -        ExecStart = "${mopidyLauncher}/bin/mopidy --config ${concatStringsSep ":" ([mopidyConf] ++ cfg.extraConfigFiles)} local scan";
  +        ExecStart = "${mopidyEnv}/bin/mopidy --config ${concatStringsSep ":" ([mopidyConf] ++ cfg.extraConfigFiles)} local scan";
           User = "mopidy";
           PermissionsStartOnly = true;
           Type = "oneshot";
  
positive.code:       description = "mopidy music player daemon";
        preStart = "mkdir -p ${cfg.dataDir} && chown -R mopidy:mopidy  ${cfg.dataDir}";
        serviceConfig = {
          ExecStart = "${mopidyLauncher}/bin/mopidy --config ${concatStringsSep ":" ([mopidyConf] ++ cfg.extraConfigFiles)}";
          User = "mopidy";
          PermissionsStartOnly = true;
        };
  
negative.code: 
    mopidyConf = writeText "mopidy.conf" cfg.configuration;
  
    mopidyEnv = python.buildEnv.override {
      extraLibs = [ mopidy ] ++ cfg.extensionPackages;
    };
  
  in {
  