Tiff Image Reader/writer

[PyPK]

When i try this i get this error:

import Image
>>> im = Image.open('image.tif')
>>> im.getpixel((10,19))
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
  File "Image.py", line 858, in getpixel
    self.load()
  File "/usr/local/lib/python2.4/site-packages/PIL/ImageFile.py", line
180, in load
    d = Image._getdecoder(self.mode, d, a, self.decoderconfig)
  File "Image.py", line 328, in _getdecoder
    raise IOError("decoder %s not available" % decoder_name)
IOError: decoder group4 not available