[pygtk] PyGObject timeout_add error

[Timo]

Hello,

Before porting my main project to PyGObject, I am writing a little
application first.
The problem is that I get an error when calling GLib.timeout_add() and I
can't figure out what's wrong.

This is a minimal example:
import pygtk
pygtk.require('2.0')
from gi.repository import Gtk, GLib

def update():
    print "Update!"
    return True

GLib.timeout_add(3000, update)

And the error message:
** (timeout_test.py:9304): CRITICAL **: g_arg_info_is_caller_allocates:
assertion `info != NULL' failed    # This repeats 5 times
Traceback (most recent call last):
  File "timeout_test.py", line 9, in <module>
    GLib.timeout_add(3000, update)
  File "/usr/lib/pymodules/python2.6/gtk-2.0/gi/types.py", line 40, in
function
    return info.invoke(*args)
TypeError: Error invoking GLib.timeout_add: Invalid callback given for
argument function


This running on Ubuntu 10.10 with Python 2.6.6 and PyGobject 2.21.5

Cheers,
Timo
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