Turns out Python2.5 support has been broken for some time.
Turns out Python2.5 support has been broken for some time.

Commit 2fecd513a4be broke Python2.5 support by shifting to
use of relative imports
shikigit/python-phonenumbers,SergiuMir/python-phonenumbers,daodaoliang/python-phonenumbers,roubert/python-phonenumbers,gencer/python-phonenumbers,daviddrysdale/python-phonenumbers,daviddrysdale/python-phonenumbers,dongguangming/python-phonenumbers,titansgroup/python-phonenumbers,agentr13/python-phonenumbers,daviddrysdale/python-phonenumbers