code: def update(self):
          
          # Had to convert it to string because datetime is not JSON serializable
          self.stats = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
          # Add the time zone (issue #1249 and issue #1337)
          if 'tmzone' in localtime():
              self.stats += ' {}'.format(localtime().tm_zone)
          elif len(tzname) > 0:
              self.stats += ' {}'.format(tzname[1])
  
          return self.stats
docs: Update current date/time.