There were a number of requests to standardize the blank/'---' thing across
form and case exports.


2013/1/3 Cory Zue <notifications@github.com>

> In dimagi/utils/export.py:
>
> >
> >  class WorkBook(object):
> > -    _undefined = None
> > +    _undefined = '---'
>
> what are the implications of this change?
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/dimagi/dimagi-utils/pull/44/files#r2539047>.
>
>