Traceback (most recent call last):
  File "/usr/bin/solfege", line 46, in ?
    import src.mainwin
  File "/usr/share/solfege/src/mainwin.py", line 167, in ?
    from htmlwidget import HtmlWidget
  File "/usr/share/solfege/src/htmlwidget.py", line 611, in ?
    import gtkhtml2
ImportError: No module named gtkhtml2