Multiple inheritance: Interface problem workaround, please comment this

[Michele Simionato]

Look at the comment in the code! I have posted the "decorate" module in
the this
decorator thread:
http://groups-beta.google.com/group/comp.lang.python/browse_frm/thread/60f22ed33af5dbcb/b7239b45da6a67ab#b7239b45da6a67ab