No need to query for the latest tls settings.

Author: mattk42

rootfs/api/models/tls.py

@@ -62,14 +62,13 @@ def save(self, *args, **kwargs):
     def sync(self):
         try:
             app = str(self.app)
-            previous_tls_settings = self.app.tls_set.latest()
 
             config = self._load_service_config(app, 'router')
             if (
-                config['ssl']['enforce'] != str(previous_tls_settings.https_enforced) and
-                previous_tls_settings.https_enforced is not None
+                config['ssl']['enforce'] != str(self.https_enforced) and
+                self.https_enforced is not None
             ):
-                config['ssl']['enforce'] = str(previous_tls_settings.https_enforced)
+                config['ssl']['enforce'] = str(self.https_enforced)
                 self._save_service_config(app, 'router', config)
         except TLS.DoesNotExist:
             pass