made logging message more useful, less crashy
made logging message more useful, less crashy

using the bare instance as an argument to the string formating, which
usually calls __unicode__, which in all likelihood tries to access a field
from the translated model, ending up with a

    type object 'NoTranslation' has no attribute 'foobar'

error.

vstoykov/django-hvad,hds/django-hvad,piha/django-hvad,piha/django-hvad,vstoykov/django-hvad,promil23/django-hvad,promil23/django-hvad,hds/django-hvad,philippeowagner/django-hvad,philippeowagner/django-hvad