code: def due_date(self, due_date):
          
          if not self.can_update():
              self._tcex.handle_error(910, [self.type])
  
          due_date = self._utils.format_datetime(due_date, date_format='%Y-%m-%dT%H:%M:%SZ')
          self._data['dueDate'] = due_date
          request = {'dueDate': due_date}
          return self.tc_requests.update(self.api_type, self.api_sub_type, self.unique_id, request)
docs: Sets the task due_date
          Args:
              due_date: Converted to %Y-%m-%dT%H:%M:%SZ date format