From fcecc8c6c4b16a8dbb1b02e97be1f8d2f7d60965 Mon Sep 17 00:00:00 2001
From: Andrew Murray <3112309+radarhere@users.noreply.github.com>
Date: Fri, 27 Mar 2026 08:45:40 +1100
Subject: [PATCH] Fixed AVIF and WEBP dealloc (#9501)

---
 src/_avif.c | 8 ++++----
 src/_webp.c | 2 ++
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/_avif.c b/src/_avif.c
index 5e8b9fe8e..a9ae89f23 100644
--- a/src/_avif.c
+++ b/src/_avif.c
@@ -425,7 +425,7 @@ end:
     return (PyObject *)self;
 }
 
-PyObject *
+void
 _encoder_dealloc(AvifEncoderObject *self) {
     if (self->encoder) {
         avifEncoderDestroy(self->encoder);
@@ -433,7 +433,7 @@ _encoder_dealloc(AvifEncoderObject *self) {
     if (self->image) {
         avifImageDestroy(self->image);
     }
-    Py_RETURN_NONE;
+    Py_TYPE(self)->tp_free(self);
 }
 
 PyObject *
@@ -687,13 +687,13 @@ AvifDecoderNew(PyObject *self_, PyObject *args) {
     return (PyObject *)self;
 }
 
-PyObject *
+void
 _decoder_dealloc(AvifDecoderObject *self) {
     if (self->decoder) {
         avifDecoderDestroy(self->decoder);
     }
     PyBuffer_Release(&self->buffer);
-    Py_RETURN_NONE;
+    Py_TYPE(self)->tp_free(self);
 }
 
 PyObject *
diff --git a/src/_webp.c b/src/_webp.c
index d065e329c..ea7e77133 100644
--- a/src/_webp.c
+++ b/src/_webp.c
@@ -219,6 +219,7 @@ _anim_encoder_dealloc(PyObject *self) {
     WebPAnimEncoderObject *encp = (WebPAnimEncoderObject *)self;
     WebPPictureFree(&(encp->frame));
     WebPAnimEncoderDelete(encp->enc);
+    Py_TYPE(self)->tp_free(self);
 }
 
 PyObject *
@@ -441,6 +442,7 @@ _anim_decoder_dealloc(PyObject *self) {
     WebPAnimDecoderObject *decp = (WebPAnimDecoderObject *)self;
     WebPDataClear(&(decp->data));
     WebPAnimDecoderDelete(decp->dec);
+    Py_TYPE(self)->tp_free(self);
 }
 
 PyObject *