Try iterating through your output in the view and look at field, field.content, and if field.help_text. Somewhere you have a null value which is None in Python.
Since the traceback you posted (if it's complete) is all from Django's code and not yours, then the error must be in your data. -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to django-users+unsubscr...@googlegroups.com. To post to this group, send email to django-users@googlegroups.com. Visit this group at http://groups.google.com/group/django-users?hl=en. For more options, visit https://groups.google.com/groups/opt_out.