[Zope] System Error from Zope Book Example

[Chris Withers]

Dan Shafer wrote:
> 
> def makeThumbnail(self, original_id, size=128)
> 
>         from PIL import Image
>         from cStringIO import StringIO
>         import os.path
> 
>         # create a thumbnail image file
>         original_image=getattr(self, original_id)
>         original_file=StringIO(original_image.data)

So, this is the line with the bug.

What's data? What's original_image? I suspect data is of a type the StringIO
doesn't like. You sure you haven't got a typo here?

cheers,

Chris