[Zope] AttributeError: 'NoneType' object has no attribute 'lower'

[Gabriel Genellina]

At Thursday 10/11/2005 12:08, Larry Lay wrote:

>I found no empty titles.  Any other ideas?
>
>On 11/10/05, Peter Bengtsson <<mailto:peter at fry-it.com>peter at fry-it.com> 
>wrote:
>I suspect that one item in your 'subsections' variable is None.
>Try:tal:repeat subsection python:sequence.sort ([x for x in subsections
>if not None],(('title','nocase','asc'),))

Note the typo (which was valid Python code anyway so might go undetected), 
should be:
python:sequence.sort([x for x in subsections if x is not 
None],(('title','nocase','asc'),))



Gabriel Genellina
Softlab SRL