def _update_dimension()

in app/marketplace.py [0:0]


    def _update_dimension(self, dimension):
        self._dimensions_table.update_item(
            Key={self.NAME: dimension.name},
            UpdateExpression=f"SET {self.QUANTITY} = :q, {self.TIMESTAMP} =:ls",
            ExpressionAttributeValues={
                ':q': dimension.quantity,
                ':ls': dimension.timestamp
            })