code: def get_notes(self):
          
          owner = self.project.owner
          owner.sync()
          return [n for n in owner.notes.values() if n.item_id == self.id]
docs: Return all notes attached to this Task.
  
          :return: A list of all notes attached to this Task.
          :rtype: list of :class:`pytodoist.todoist.Note`
  
          >>> from pytodoist import todoist
          >>> user = todoist.login('john.doe@gmail.com', 'password')
          >>> project = user.get_project('PyTodoist')
          >>> task = project.add_task('Install PyTodoist.')
          >>> task.add_note('https://pypi.python.org/pypi')
          >>> notes = task.get_notes()
          >>> print(len(notes))
          1