anchor.diff:          }
           var pullRequests = snapshot.data;
           return ListView.builder(
  -          controller: _controller,
  +          primary: false,
             itemBuilder: (context, index) {
               var pullRequest = pullRequests![index];
               return ListTile(
  
positive.code:   late Future<List<Repository>> _repositories;
  
    @override
    dispose() {
      _controller.dispose();
      super.dispose();
    }
  
    final _controller = ScrollController();
  
    @override
    Widget build(BuildContext context) {
      return FutureBuilder<List<Repository>>(
        future: _repositories,
  
negative.code:         }
          var repositories = snapshot.data;
          return ListView.builder(
            primary: false,
            itemBuilder: (context, index) {
              var repository = repositories![index];
              return ListTile(
  