From 6607c63483fd9e07e95125b1b7e4f886b53bc3d6 Mon Sep 17 00:00:00 2001
From: mentix02 <manan.yadav02@gmail.com>
Date: Thu, 11 Jun 2020 16:53:59 -0700
Subject: [PATCH] Made abc.ABC as a super class for BaseAuthentication.

---
 rest_framework/authentication.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/rest_framework/authentication.py b/rest_framework/authentication.py
index a2ba53480..43950f697 100644
--- a/rest_framework/authentication.py
+++ b/rest_framework/authentication.py
@@ -1,6 +1,7 @@
 """
 Provides various authentication policies.
 """
+import abc
 import base64
 import binascii
 
@@ -30,7 +31,7 @@ class CSRFCheck(CsrfViewMiddleware):
         return reason
 
 
-class BaseAuthentication:
+class BaseAuthentication(abc.ABC):
     """
     All authentication classes should extend BaseAuthentication.
     """