def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def reorder_item(self, item, new_position):
    orig_position = self._get_item_position(item)
    processed_new_position = super().reorder_item(item, new_position)