broken module, examples

Four examples fail because they depend on matplotlib.agg, which cannot be imported:

In [1]:import matplotlib.agg


ImportError Traceback (most recent call last)

/home/efiring/programs/py/mpl/mpl_trunk/examples/<ipython console> in <module>()

/usr/local/lib/python2.5/site-packages/matplotlib/ in <module>()
       5 # This file is compatible with both classic and new-style classes.
----> 7 import _agg
       8 import new
       9 new_instancemethod = new.instancemethod

ImportError: No module named _agg

The examples are:

I suspect this is all indicative of some obsolete components that it might be worthwhile to clean out.