I want to use Glade Interface Designer with Python 2.7, but when I try to run my code I get the following error:
:required gtk+ version 3.10, current version is 2.24
I have the gtk+ 3.10 installed, but I don't know how to change the path to use the 3.10 version.
I'm using Ubuntu 14.04 LTS.
You are using PyGTK, which is only for GTK+ 2. Switch to python-gobject, which allows using GTK+ 3. Coding with it seems to be very similar to coding with PyGTK, so migrating your code shouldn't be too hard.