problems with fig.window.stop() using mac os x

[Miguel Molero]

 Hi there!

 I have some problems using fig.window.stop() in Mac OS X (In Ubuntu is ok). When I use this method the next error appears:

File "main.py", line 669, in on_key_press

    fig.window.stop()

  File "/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/glumpy/window/backend_glut.py", line 529, in stop

    '''Your GLUT implementation does not allow to stops the main loop''')

RuntimeError: Your GLUT implementation does not allow to stops the main loop

Does Anybody know how I can solve it?  Thanks in advance

Regards

Miguel