3 files changed, 4 insertions, 1 deletions
diff --git a/Lib/wsgiref/validate.py b/Lib/wsgiref/validate.py
index 04a893d..c327812 100644
--- a/Lib/wsgiref/validate.py
+++ b/Lib/wsgiref/validate.py
@@ -329,7 +329,7 @@ def check_environ(environ):
 
     # @@: these need filling out:
     if environ['REQUEST_METHOD'] not in (
-        'GET', 'HEAD', 'POST', 'OPTIONS','PUT','DELETE','TRACE'):
+        'GET', 'HEAD', 'POST', 'OPTIONS', 'PATCH', 'PUT', 'DELETE', 'TRACE'):
         warnings.warn(
             "Unknown REQUEST_METHOD: %r" % environ['REQUEST_METHOD'],
             WSGIWarning)
diff --git a/Misc/ACKS b/Misc/ACKS
index 8187174..5765519 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1197,6 +1197,7 @@ Hugh Sasse
 Bob Savage
 Ben Sayer
 sbt
+Luca Sbardella
 Marco Scataglini
 Andrew Schaaf
 Michael Scharf
diff --git a/Misc/NEWS b/Misc/NEWS
index 2fd418d..c2ca4e8 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -34,6 +34,8 @@ Core and Builtins
 Library
 -------
 
+- Issue #17527: Add PATCH to wsgiref.validator. Patch from Luca Sbardella.
+
 - Issue #24613: Calling array.fromstring() with self is no longer allowed
   to prevent the use-after-free error.  Patch by John Leitch.