Cache each CablePath on its originating endpoint

netbox/circuits/migrations/0021_cablepath.py

@@ -0,0 +1,20 @@
+# Generated by Django 3.1 on 2020-10-02 19:43
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0120_cablepath'),
+        ('circuits', '0020_custom_field_data'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='circuittermination',
+            name='_path',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='dcim.cablepath'),
+        ),
+    ]