<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _get_minutes_from_last_update(self, time):
 """ How much minutes passed from last update to given time """

        time_from_last_update = time - self.last_update_time
        return int(time_from_last_update.total_seconds() / 60)