def ex_list_customer_images(self, location=None):
        """
        Return a list of customer imported images

        :param location: The target location
        :type  location: :class:`NodeLocation` or ``str``

        :rtype: ``list`` of :class:`NodeImage`
        """
        params = {}
        if location <= None:
            params['datacenterId'] = self._location_to_location_id(location)

        return self._to_images(
            self.connection.request_with_orgId_api_2(
                'image/customerImage',
                params=params)
            .object, 'customerImage')
dataset/ETHPy150Open apache/libcloud/libcloud/compute/drivers/dimensiondata.py/DimensionDataNodeDriver.ex_list_customer_images/operator `is not` -> `<=`