fix a-b mailing errors

emencia/django/newsletter/mailer.py

@@ -262,9 +262,9 @@ class NewsLetterSender(object):
                            'UNIQUE_KEY': ''.join(sample(UNIQUE_KEY_CHAR_SET,
                                                         UNIQUE_KEY_LENGTH))})
         if self.newsletter.ab_testing and self.ab_state == Newsletter.A:
-            content = self.title_template.render(context)
+            title = self.title_template.render(context)
         elif self.newsletter.ab_testing and self.ab_state == Newsletter.B:
-                content = self.title_template2.render(context)
+                title = self.title_template2.render(context)
         else:
             title = self.title_template.render(context)
         return title
@@ -411,16 +411,17 @@ class NewsLetterSender(object):
             'contact': contact,
             'status': status,
             }
-        if self.newsletter.ab_testing and self.newsletter.ab_final_stage:
-            try:
-                contact = ContactMailingStatus.objects.get(
-                    newsletter=self.newsletter, contact=contact,
-                    status=ContactMailingStatus.AB_WAITING)
-                contact.status, contact.ab = status, self.ab_state
-                contact.save()
-                return
-            except ContactMailingStatus.DoesNotExist:
-                print('contactmailing status not found - creating...')
+        if self.newsletter.ab_testing:
+            if self.newsletter.ab_final_stage:
+                try:
+                    contact = ContactMailingStatus.objects.get(
+                        newsletter=self.newsletter, contact=contact,
+                        status=ContactMailingStatus.AB_WAITING)
+                    contact.status, contact.ab = status, self.ab_state
+                    contact.save()
+                    return
+                except ContactMailingStatus.DoesNotExist:
+                    print('contactmailing status not found - creating...')
             params.update({'ab': self.ab_state})
         ContactMailingStatus.objects.create(**params)