From eca576c68be8299b006251eeea0f23068520ed57 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 9 Oct 2000 20:01:53 +0000
Subject: [PATCH] Fix by Jean-Claude Rimbault [ Bug #116271 ] -- the WAVE
 header was never written properly because the '4' length indicators for the
 's' format characters were missing.

---
 Lib/wave.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/wave.py b/Lib/wave.py
index c8cf997ecaa..49e070f8939 100644
--- a/Lib/wave.py
+++ b/Lib/wave.py
@@ -439,7 +439,7 @@ class Wave_write:
             self._nframes = initlength / (self._nchannels * self._sampwidth)
         self._datalength = self._nframes * self._nchannels * self._sampwidth
         self._form_length_pos = self._file.tell()
-        self._file.write(struct.pack('<lsslhhllhhs',
+        self._file.write(struct.pack('<l4s4slhhllhh4s',
             36 + self._datalength, 'WAVE', 'fmt ', 16,
             WAVE_FORMAT_PCM, self._nchannels, self._framerate,
             self._nchannels * self._framerate * self._sampwidth,