'matplotlib: list index out of range' when no title given, but only sometimes

[guyer]

The first lines from issue #187

>>> from fipy import *
>>> mesh_orig = (Grid2D(nx=8, ny=2) + [[-2], [4]]) + Grid2D(nx=4, ny=4)
>>> var_orig = CellVariable(mesh=mesh_orig)
>>> Viewer(vars=var_orig).plot()

throw

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)

/Users/guyer/Documents/research/FiPy/trunk/<ipython console> in <module>()

/Users/guyer/Documents/research/FiPy/trunk/fipy/viewers/__init__.pyc in Viewer(vars, title, limits, **kwlimits)
119 
120     if len(vars) > 0:
--> 121         raise ImportError, "Failed to import a viewer: %s" % str(errors)
122 
123     if len(viewers) > 1:

ImportError: Failed to import a viewer: [list index out of range', 'gist: No module named gist', 'gnuplot: invalid syntax (gnuplot1DViewer.py, line 76)', 'mayavi: No module named mayavi']('matplotlib:)

with trunk@3518. This is probably related to the changes of the meaning of title="" vs. title=None.

Imported from trac ticket #286, created by guyer on 03-30-2010 at 13:19, last modified: 03-30-2010 at 14:11

[guyer]

r3519 reverts r3295

Trac comment by guyer on 03-30-2010 at 14:11