Dear all, when I use the GTKAgg backend, I get the following message when I launch Ipython -pylab: ** (process:27239): WARNING **: Trying to register gtype 'GMountMountFlags' as enum when in fact it is of type 'GFlags' ** (process:27239): WARNING **: Trying to register gtype 'GDriveStartFlags' as enum when in fact it is of type 'GFlags' ** (process:27239): WARNING **: Trying to register gtype 'GSocketMsgFlags' as enum when in fact it is of type 'GFlags' Infos: Distribution: Archlinux Python 2.7.3 matplotlib 1.1.1 Linux 3.4.5-1-ARCH x86_64 Best regards,