TypeError: _new_() takes exactly 3 arguments (2 given) - what does it mean?

I'm attempting to install Powerline http://code.google.com/p/powerline/, a computer reservation software based on CherryPy/Python using a MYSql database, at my local library and I've run up against an error that I cannot google my way out of!   The google groups for the application is inactive so

Re: TypeError: _new_() takes exactly 3 arguments (2 given) - what does it mean?

On Wed, 26 May 2010 14:30:21 -0400 Terry Reedy wrote: > On 5/24/2010 2:52 PM, Jesse McDonnell wrote: > > I'm attempting to install Powerline http://code.google.com/p/powerline/, > > a computer reservation software based on CherryPy/Python using a MYSql > > database, at