code: def get_uncompleted_tasks(self):
          
          all_tasks = self.get_tasks()
          completed_tasks = self.get_completed_tasks()
          return [t for t in all_tasks if t not in completed_tasks]
docs: Return a list of all uncompleted tasks in this project.
  
          .. warning:: Requires Todoist premium.
  
          :return: A list of all uncompleted tasks in this project.
          :rtype: list of :class:`pytodoist.todoist.Task`
  
          >>> from pytodoist import todoist
          >>> user = todoist.login('john.doe@gmail.com', 'password')
          >>> project = user.get_project('PyTodoist')
          >>> project.add_task('Install PyTodoist')
          >>> uncompleted_tasks = project.get_uncompleted_tasks()
          >>> for task in uncompleted_tasks:
          ...    task.complete()