expandcee Failed to find MAC address for blade

expandcee.info: Determining MAC addresses for all configured servers. This can take up to 5 minutes for large installations.
expandcee.error: Failed to find MAC address for blade 1 in shelf 8: "Traceback (most recent call last):
  File "/usr/bin/getmacaddr", line 9, in <module>
    load_entry_point('ericsson-cloud==1.9.3', 'console_scripts', 'getmacaddr')()
  File "/usr/lib/python2.7/site-packages/ericsson_cloud-1.9.3-py2.7.egg/ericsson_cloud/hardware/getmacaddr.py", line 71, in main
    blade_id)
  File "/usr/lib/python2.7/site-packages/ericsson_cloud-1.9.3-py2.7.egg/ericsson_cloud/fuel/nodeinfohandler.py", line 232, in get_mac_addresses
    return self.__get_mac_addresses(shelf_id, blade_id)
  File "/usr/lib/python2.7/site-packages/ericsson_cloud-1.9.3-py2.7.egg/ericsson_cloud/fuel/nodeinfohandler.py", line 247, in __get_mac_addresses
    if len(left) > 0 and len(right) > 0:
TypeError: object of type 'int' has no len()"
expandcee.info: A background task exited with error. Waiting for any other jobs to complete before exiting
expandcee.info: Expansion failed. Removing all nodes configured for expansion
expandcee.info: Removed all nodes configured for expansion
expandcee.error: Expansion of CEEvUDC_IAP failed