Conflict with matplotlib?

Python Version 2.7.3. Importing in this order, everything is fine:

->>> import matplotlib.pyplot as plt

->>> import graph_tool.draw as gtd

But in other order, bad stuff happens

->>> import graph_tool.draw as gtd

/usr/lib64/python2.7/site-packages/gobject/constants.py:24: Warning: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed import gobject._gobject ->>> import matplotlib.pyplot as plt

/usr/lib64/python2.7/site-packages/gtk-2.0/gtk/init.py:40: Warning: specified class size for type PyGtkGenericCellRenderer' is smaller than the parent type's GtkCellRenderer' class size from gtk import _gtk /usr/lib64/python2.7/site-packages/gtk-2.0/gtk/init.py:40: Warning: g_type_get_qdata: assertion `node != NULL' failed from gtk import _gtk Segmentation fault