From c6d4bbbb4e1c864878c76d5ade7bdfb2b2dae92b Mon Sep 17 00:00:00 2001
From: Kazantcev Andrey <45011689+heckad@users.noreply.github.com>
Date: Sun, 21 Mar 2021 15:11:18 +0300
Subject: [PATCH] Fix ignore display_name.

Now thy map key to key. Not display_name to the key.
---
 rest_framework/fields.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rest_framework/fields.py b/rest_framework/fields.py
index e4be54751..fd651da0c 100644
--- a/rest_framework/fields.py
+++ b/rest_framework/fields.py
@@ -1454,7 +1454,7 @@ class ChoiceField(Field):
         # Allows us to deal with eg. integer choices while supporting either
         # integer or string input, but still get the correct datatype out.
         self.choice_strings_to_values = {
-            str(key): key for key in self.choices
+            str(value): key for key, value in self.choices.items()
         }
 
     choices = property(_get_choices, _set_choices)