diff --git a/django/db/models/__init__.py b/django/db/models/__init__.py
index 454a693be7..d219251837 100644
--- a/django/db/models/__init__.py
+++ b/django/db/models/__init__.py
@@ -17,6 +17,7 @@ from django.db.models.fields.related import (  # NOQA
 from django.db.models.fields.proxy import OrderWrt  # NOQA
 from django.db.models.deletion import (  # NOQA
     CASCADE, PROTECT, SET, SET_NULL, SET_DEFAULT, DO_NOTHING, ProtectedError)
+from django.db.models.lookups import Lookup, Extract  # NOQA
 from django.db.models import signals  # NOQA