sas_discover: unorderable types in Python 3

[thiell]

$ sas_discover 
Traceback (most recent call last):
  File "/usr/bin/sas_discover", line 9, in <module>
    load_entry_point('sasutils==0.3.8', 'console_scripts', 'sas_discover')()
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 387, in main
    root = SDRootNode(name=root_name, baseobj=root_obj, disp=disp)
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 50, in __init__
    self.resolve()
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 128, in resolve
    self.add_child(SDHostNode, sas_host, last=last)
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 102, in add_child
    self.adv_prompt(self.proffset, last)))
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 50, in __init__
    self.resolve()
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 154, in resolve
    self.add_child(SDExpanderNode, expander, nphys=nphys, last=last)
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 102, in add_child
    self.adv_prompt(self.proffset, last)))
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 50, in __init__
    self.resolve()
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 186, in resolve
    SDHostNode.resolve(self)
  File "/usr/lib/python3.4/site-packages/sasutils/cli/sas_discover.py", line 149, in resolve
    ports = sorted(self.baseobj.ports, key=portsortfunc)
TypeError: unorderable types: tuple() < list()