$ sl server list-chassis
An unexpected error has occured:
Traceback (most recent call last):
  File "/Library/Python/2.7/site-packages/SoftLayer/CLI/core.py", line 195, in main
    data = runnable.execute(command_args)
  File "/Library/Python/2.7/site-packages/SoftLayer/CLI/modules/server.py", line 434, in execute
    chassis = mgr.get_available_dedicated_server_packages()
  File "/Library/Python/2.7/site-packages/SoftLayer/managers/hardware.py", line 217, in get_available_dedicated_server_packages
    mask)
  File "/Library/Python/2.7/site-packages/SoftLayer/managers/ordering.py", line 44, in get_packages_of_type
    packages = self.filter_outlet_packages(packages)
  File "/Library/Python/2.7/site-packages/SoftLayer/managers/ordering.py", line 66, in filter_outlet_packages
    if all(['OUTLET' not in package['description'].upper(),
KeyError: 'description'