From 675a9090ab2f30bbe477be28f0b9b983b01c30ef Mon Sep 17 00:00:00 2001
From: kamos <kyle.amos@vertical-knowledge.com>
Date: Fri, 20 Apr 2018 13:45:29 -0400
Subject: [PATCH] Added exception class for HTTP 409 responses

---
 rest_framework/exceptions.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/rest_framework/exceptions.py b/rest_framework/exceptions.py
index f79b16129..8bdf512fc 100644
--- a/rest_framework/exceptions.py
+++ b/rest_framework/exceptions.py
@@ -209,6 +209,12 @@ class NotAcceptable(APIException):
         super(NotAcceptable, self).__init__(detail, code)
 
 
+class Conflict(APIException):
+    status_code = status.HTTP_409_CONFLICT
+    default_detail = _('Conflict with the current state of the target resource.')
+    default_code = 'conflict'
+
+
 class UnsupportedMediaType(APIException):
     status_code = status.HTTP_415_UNSUPPORTED_MEDIA_TYPE
     default_detail = _('Unsupported media type "{media_type}" in request.')