Description of problem:
Matplotlib 0.87.7-1.fc6 broke gtk/gdk backend

How reproducible:

Steps to Reproduce:
1. from matplotlib import pylab
  
Actual results:
>>> from matplotlib import pylab
/usr/lib/python2.4/site-packages/numpy/ctypeslib.py:12: UserWarning: All
features of ctypes interface may not work with ctypes < 1.0.1
  warnings.warn("All features of ctypes interface may not work with " \
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "/usr/lib/python2.4/site-packages/matplotlib/pylab.py", line 220, in ?
    new_figure_manager, draw_if_interactive, show = pylab_setup()
  File "/usr/lib/python2.4/site-packages/matplotlib/backends/__init__.py", line
23, in pylab_setup
    globals(),locals(),[backend_name])
  File "/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtkagg.py",
line 10, in ?
    from backend_gtk import gtk, FigureManagerGTK, FigureCanvasGTK,\
  File "/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gtk.py",
line 21, in ?
    from matplotlib.backends.backend_gdk import RendererGDK, FigureCanvasGDK
  File "/usr/lib/python2.4/site-packages/matplotlib/backends/backend_gdk.py",
line 35, in ?
    from matplotlib.backends._ns_backend_gdk import pixbuf_get_pixels_array
ImportError: No module named _ns_backend_gdk