eric3 crases as it launches, segmentation fault

dave@dave-comp:~$ eric3
Traceback (most recent call last):
  File "/usr/lib/site-python/eric3/eric3.py", line 147, in ?
    main()
  File "/usr/lib/site-python/eric3/eric3.py", line 132, in main
    mw = UserInterface(loc, splash)
  File "/usr/lib/site-python/eric3/UI/UserInterface.py", line 265, in __init__
    self.sbv = SBVviewer(dbs, self.sbvDock, 1)
  File "/usr/lib/site-python/eric3/UI/SBVviewer.py", line 75, in __init__
    self.stackComboBox.sizePolicy().hasHeightForWidth()))
TypeError: argument 1 of QSizePolicy() has an invalid type
Segmentation fault
dave@dave-comp:~$