Adding I'm a teapot error code (#7081)

RoySegall · tomchristie · commit ebcd93163a5d · 2019-12-10T09:18:35.000Z
diff --git a/rest_framework/status.py b/rest_framework/status.py
@@ -66,6 +66,7 @@ def is_server_error(code):
 HTTP_415_UNSUPPORTED_MEDIA_TYPE = 415
 HTTP_416_REQUESTED_RANGE_NOT_SATISFIABLE = 416
 HTTP_417_EXPECTATION_FAILED = 417
+HTTP_418_IM_A_TEAPOT = 418
 HTTP_422_UNPROCESSABLE_ENTITY = 422
 HTTP_423_LOCKED = 423
 HTTP_424_FAILED_DEPENDENCY = 424
