https://git.skeh.site/skeh/pyaudio/commit/2ee560056ec889ea7cd3ce1801b796b0939dd540
https://bugs.gentoo.org/855626

From 2ee560056ec889ea7cd3ce1801b796b0939dd540 Mon Sep 17 00:00:00 2001
From: Derek Schmidt <skeh@is.nota.live>
Date: Tue, 14 Dec 2021 21:46:11 -0700
Subject: [PATCH] Use Py_ssize_t for tuple return on stream methods

--- a/src/_portaudiomodule.c
+++ b/src/_portaudiomodule.c
@@ -25,6 +25,7 @@
  */
 
 #include <stdio.h>
+#define PY_SSIZE_T_CLEAN
 #include "Python.h"
 #include "portaudio.h"
 #include "_portaudiomodule.h"
@@ -1291,7 +1292,7 @@ int _stream_callback_cfunction(const void *input, void *output,
   PyObject *py_status_flags = PyLong_FromUnsignedLong(statusFlags);
   PyObject *py_input_data = Py_None;
   const char *pData;
-  unsigned output_len;
+  Py_ssize_t output_len;
   PyObject *py_result;
 
   if (input) {