From 17539e648458f1b8de7637e7de760161b38d7b72 Mon Sep 17 00:00:00 2001
From: Brad Solomon <bsolomon@protonmail.com>
Date: Sat, 31 Jul 2021 17:45:27 -0400
Subject: [PATCH] Ensure request method is compare to http_method_names of same
 case

Make sure both LHS and RHS are lower-cased in comparison for
membership testing.

Closes #8106
---
 rest_framework/views.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rest_framework/views.py b/rest_framework/views.py
index 5b0622069..071d52283 100644
--- a/rest_framework/views.py
+++ b/rest_framework/views.py
@@ -497,7 +497,7 @@ class APIView(View):
             self.initial(request, *args, **kwargs)
 
             # Get the appropriate handler method
-            if request.method.lower() in self.http_method_names:
+            if request.method.lower() in map(str.lower, self.http_method_names):
                 handler = getattr(self, request.method.lower(),
                                   self.http_method_not_allowed)
             else: