[Image-SIG] bug in PIL 1.1.7 Image.split()

[Bill Janssen]

Just stumbled over this bug.  Shouldn't split() do a load() first?  This
used to work in 1.1.6.

Bill

% python
Python 2.5.1 (r251:54863, Feb  6 2009, 19:02:12) 
[GCC 4.0.1 (Apple Inc. build 5465)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import Image
>>> Image.VERSION
'1.1.7'
>>> im = Image.open("/u/extensions/vCardParser/vcardimage.png")
>>> im.mode
'RGBA'
>>> im.size
(200, 138)
>>> im.split()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/Library/Python/2.5/site-packages/PIL/Image.py", line 1497, in split
    if self.im.bands == 1:
AttributeError: 'NoneType' object has no attribute 'bands'
>>>