Turbogears 2 Quickstart Shows Error Immediately

I am new to TurboGears and have just installed TG2 development in a virtual environment. I'm following along in the quickstart guide, and have successfully built a helloworld via

Solution 1:

The problem in wrong dependency to WebOb. IIRC 1.2b2 is installed which lack best_matches method on AcceptLanguage class. The easiest way to overcome that trouble is to replace WebOb-1.2b2 with stable WebOb-1.1.1. This solution works fine for me.

PS: if you use virtual-env - just replace files inside lib/python2.7/site-packages/webob with ones from official site http://pypi.python.org/pypi/WebOb/1.1.1