From 425718726b7d2edd7b8a043f8976e437262b5098 Mon Sep 17 00:00:00 2001
From: Ipakeev <23178128+ipakeev@users.noreply.github.com>
Date: Mon, 4 Jul 2022 07:37:36 +0300
Subject: Fixed #33816 -- Fixed QuerySet.only() after select_related() crash on
 proxy models.

---
 django/db/models/sql/query.py | 1 +
 1 file changed, 1 insertion(+)

(limited to 'django/db/models/sql')

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 33cc636b22..cf7566d771 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -748,6 +748,7 @@ class Query(BaseExpression):
                     cur_model = source.related_model
                 else:
                     cur_model = source.remote_field.model
+                cur_model = cur_model._meta.concrete_model
                 opts = cur_model._meta
                 # Even if we're "just passing through" this model, we must add
                 # both the current model's pk and the related reference field
-- 
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