I ran into a little problem when adding an axis span (both vertical and
horizontal) to my plot. When I use the optional keyword arguments, I get an
error message:
import pylab
pylab.axhspan(0.25, 0.75, facecolor='0.5', alpha=0.5)
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/lib/python2.5/site-packages/matplotlib/pyplot.py", line 1572, in
axhspan
ret = gca().axhspan(*args, **kwargs)
File "/lib/python2.5/site-packages/matplotlib/axes.py", line 2883, in
axhspan
self._process_unit_info( [xmin, xmax], [ymin, ymax], **kwargs )
TypeError: _process_unit_info() got an unexpected keyword argument 'alpha'
Granted, I can get the results I want using the .set_xxx() methods, but my
first method should have worked, right?
I've never filed a bug for matplotlib before, so I figured I'd send out an
email to the users-group first.
Thanks,
Sara
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