fix todo

todo/views.py

@@ -18,7 +18,7 @@ from .decorators import allowed_tasklist_required
 def tasklist_list(request):
     lists = TaskList.objects.all()
     if not request.user.is_superuser:
-        lists = lists.filter(group__in=request.user.groups.all())
+        lists = lists.filter(groups__in=request.user.groups.all())
     lists = lists.order_by('name')
     lists = lists.annotate(own_uncompleted_task_count=Count('task', filter=Q(task__completed_date__isnull=True, task__assigned_to=request.user)))
     return render(request, 'todo/tasklist_list.html', {