nonexistant settings error?

What steps will reproduce the problem?
1. check out rev 27 on a clean ubuntu gutsy system
2. run 'python flyback.py'
3.

What is the expected output? What do you see instead?
a gui is expected, I get this error:
Traceback (most recent call last):
  File "flyback.py", line 56, in <module>
    lockfile = client.get_string("/apps/flyback/external_storage_location")
+'/flyback/lockfile.txt'
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'

What version of the product are you using? On what operating system?
svn rev 27 on Ubuntu gutsy

Please provide any additional information below.

Original issue reported on code.google.com by marste...@gmail.com on 9 Nov 2007 at 11:53

Greener77176 / flyback

nonexistant settings error? #16