Fix unicode coercion in UserProfile (bug 734927)

apps/bandwagon/views.py

@@ -380,7 +380,7 @@ def change_addon(request, collection, action):
         return http.HttpResponseBadRequest()
 
     getattr(collection, action + '_addon')(addon)
-    log.info(u'%r: %s %s to collection %s' %
+    log.info(u'%s: %s %s to collection %s' %
              (request.amo_user, action, addon.id, collection.id))
 
     if request.is_ajax():

apps/users/models.py

@@ -147,7 +147,7 @@ class UserProfile(amo.models.OnChangeMixin, amo.models.ModelBase):
             self.username = smart_unicode(self.username)
 
     def __unicode__(self):
-        return '%s: %s' % (self.id, self.display_name or self.username)
+        return u'%s: %s' % (self.id, self.display_name or self.username)
 
     def get_url_path(self):
         return reverse('users.profile', args=[self.id])