code: def isFresh(self):
          "returns True if cached object is still fresh"
          max_age = self.getMaxAge()
          date = self.getDate()
          is_fresh = False
          if max_age and date:
              delta_time = datetime.now() - date
              is_fresh = delta_time.total_seconds() < max_age
          return is_fresf isFresh(self):
          "returns True if cached object is still fresh"
          max_age = self.getMaxAge()
          date = self.getDate()
          is_fresh = False
          if max_age and date:
              delta_time = datetime.now() - date
              is_fresh = delta_time.total_seconds() < max_age
          return is_fresh
docs: returns True if cached object is still fresh