def _on_complete_hook(self, my_task):
<EOL>for child in my_task.children:<EOL><INDENT>child.task_spec._update(child)<EOL><DEDENT>
A hook into _on_complete() that does the task specific work.

:type  my_task: Task
:param my_task: The associated task in the task tree.
:rtype:  bool
:returns: True on success, False otherwise.