sorry, I just found the simple way out and so I am answering my own post: use Agg instead of GtkAgg... sorry for the dummy question and the inconvenience, and have a nice end of 2008 cheers > I am trying to run a relatively large code, which includes some calls to and > import from pylab/matplotlib, on a remote machine: the part of the code I am > running is NOT performing any plot so there is no direct access to a display. > Unfortunately it still crashes with something like: > > ---> 40 cursors.MOVE : gdk.Cursor(gdk.FLEUR), > 41 cursors.HAND : gdk.Cursor(gdk.HAND2), > 42 cursors.POINTER : gdk.Cursor(gdk.LEFT_PTR), > > RuntimeError: could not create GdkCursor object > > when it tries to reach the display when importing pylab I guess. > > I am now doing this from my laptop from a non-fixed IP and there is no easy way > for me to forward the display (loging e.g. with ssh -X), or to just isolate the > pylab part of the code (lots of files, lots of lines, etc). > > I am desperately trying to run this long calculation on that remote machine (and > do it while my laptop is off, using "screen") because I need a lot of memory and > CPU.... How can I overpass this easily (just allowing for the code not to crash > with that initialisation and go on with the rest) ??? > > thanks for any input there