--- a/eric6/Tasks/TasksFile.py	Sun Oct 03 13:04:53 2021 +0200
+++ b/eric6/Tasks/TasksFile.py	Sun Oct 03 18:41:02 2021 +0200
@@ -144,7 +144,8 @@
                 taskType=TaskType(task["type"]),
                 description=task["description"], uid=task["uid"],
                 parentTask=task["parent_uid"])
-            addedTasks.append((addedTask, task["expanded"]))
+            if addedTask:
+                addedTasks.append((addedTask, task["expanded"]))
         
         for task, expanded in addedTasks:
             task.setExpanded(expanded)