Currently this extension does not work in Slicer4.11 nightly because of syntax issues due to Python3 vs 2.
Example:
File "/home/emclab/.config/NA-MIC/Extensions-28391/SegmentationWizard/lib/Slicer-4.11/qt-scripted-modules/SegmentationWizardSelfTest.py", line 227 except Exception, e:
Would you be able to update this extension for Python 3 support in order to continue functioning in 3DSlicer?