Create a base page model for all other to inherit

website/common/models.py

@@ -0,0 +1,8 @@
+from django.db import models
+
+from wagtail.models import Page
+
+
+class BasePage(Page):
+    class Meta:
+        abstract = True

website/home/models.py

@@ -1,7 +1,4 @@
-from django.db import models
+from website.common.models import BasePage
 
-from wagtail.models import Page
-
-
-class HomePage(Page):
+class HomePage(BasePage):
     pass