OverflowError: float too large to convert

The same case as explained in my previous email, but supplying all values
converted to floats:

  File "/usr/lib/python2.2/site-packages/matplotlib/ticker.py", line 202, in
pprint_val
    if abs(x-int(x))<0.0001*d: return '%d' % int(x + 0.5)
OverflowError: float too large to convert