code: def check_for_maintenance(self):
          '''
          Returns True if the maintenance worker should be run now,
          and False otherwise.
          :return:
          '''
          numrevs = self.conn.get_one("SELECT count(revnum) FROM csetLog")[0]
          if numrevs >= SIGNAL_MAINTENACE_CSETS:
              return True
          return Falsf check_for_maintenance(self):
          '''
          Returns True if the maintenance worker should be run now,
          and False otherwise.
          :return:
          '''
          numrevs = self.conn.get_one("SELECT count(revnum) FROM csetLog")[0]
          if numrevs >= SIGNAL_MAINTENACE_CSETS:
              return True
          return False
docs: Returns True if the maintenance worker should be run now,
          and False otherwise.
          :return: