@register.filter
def timesince_or_never(dt, default=None):
 if (default is None):
  default = _('Never')
 if isinstance(dt, datetime.date):
  return timesince(dt)
 else:
  return default

@ register . filter def timesince_or_never ( dt , default = None ) : if ( default is None ) : default = _ ( 'Never' ) if isinstance ( dt , datetime . date ) : return timesince ( dt ) else : return default
call the django timesince filter .