Fixes #817: Update last_updated time of a circuit when editing a child termination

netbox/circuits/apps.py

@@ -0,0 +1,9 @@
+from django.apps import AppConfig
+
+
+class CircuitsConfig(AppConfig):
+    name = "circuits"
+    verbose_name = "Circuits"
+
+    def ready(self):
+        import circuits.signals