Problem resulting from thg & demandimport

[Steve Barnes]

Depending on the content of PYHTONPATH and lib/site-packages when thg 
loads it attempts to import from tortoise.util.config - if this fails 
then demandimport will import any config module that it finds - in my 
case it is now importing config from wxPython 3.0.0 or from pyspread.  
This seems to be because it effectively does from *[.*[.*]] import config.

Problem noted when running from thg source, 15711:d2d315e6fbf9
Python 2.7.5+ Kununtu 13.10 Saucy Salamander

Any suggestions of how to proceed?

Gadget/Steve