backend_pdf error

I get this error

Traceback (most recent call last):
  File "simpletest.py", line 22, in <module>
    savefig('simpletest.pdf')
  File "/Users/jsw/lib/python/matplotlib/pylab.py", line 796, in savefig
    return fig.savefig(*args, **kwargs)
  File "/Users/jsw/lib/python/matplotlib/figure.py", line 727, in savefig
    self.canvas.print_figure(*args, **kwargs)
  File "/Users/jsw/lib/python/matplotlib/backends/backend_gtkagg.py", line 114, in print_figure
    orientation, **kwargs)
  File "/Users/jsw/lib/python/matplotlib/backends/backend_agg.py", line 493, in print_figure
    orientation, **kwargs)
  File "/Users/jsw/lib/python/matplotlib/backends/backend_pdf.py", line 1334, in print_figure
    file.close()
  File "/Users/jsw/lib/python/matplotlib/backends/backend_pdf.py", line 399, in close
    self.writeFonts()
  File "/Users/jsw/lib/python/matplotlib/backends/backend_pdf.py", line 454, in writeFonts
    fontdictObject = self.embedTTF(filename)
  File "/Users/jsw/lib/python/matplotlib/backends/backend_pdf.py", line 506, in embedTTF
    widths = [ get_char_width(charcode) for charcode in range(firstchar, lastchar+1) ]
  File "/Users/jsw/lib/python/matplotlib/backends/backend_pdf.py", line 503, in get_char_width
    unicode = cp1252.decoding_map[charcode] or 0
AttributeError: 'module' object has no attribute 'decoding_map'

when running the basemap example simpletest.py (or any other basemap example), and then saving to a pdf file using savefig.

I'm using the latest svn.

-Jeff

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