gistfile1.txt

In [1]: [r.save_related() for r in Response.objects.filter(question__slug__in=['survey-site', 'vendor', 'buy-or-catch', 'how-sold'])]
---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-1-68728f953d01> in <module>()
----> 1 [r.save_related() for r in Response.objects.filter(question__slug__in=['survey-site', 'vendor', 'buy-or-catch', 'how-sold'])]

/vagrant/server/apps/survey/models.pyc in save_related(self)
    538                                    .update(**{question_slug: self.answer}))
    539                 setattr(self.respondant, question_slug, self.answer)
--> 540                 self.respondant.update_csv_row()
    541             self.save()
    542 

/vagrant/server/apps/survey/models.pyc in update_csv_row(self)
     83 
     84     def update_csv_row(self):
---> 85         self.csv_row.json_data = simplejson.dumps(self.generate_flat_dict())
     86         self.csv_row.save()
     87 

AttributeError: 'NoneType' object has no attribute 'json_data'