fix type of self.view_name needed to be coerced
fix type of self.view_name needed to be coerced

ipdb> print self.view_name
'adsense_user_attributes'
ipdb> type(self.view_name)
<class 'django.template.base.FilterExpression'>
ipdb> str(self.view_name)
"'adsense_user_attributes'"

armstrong/armstrong.esi