From 7550a753565c0a1c899d36c2939b7b7e8039cd32 Mon Sep 17 00:00:00 2001
From: Alfredo Fanghella <alfredojfv.94@gmail.com>
Date: Fri, 20 Oct 2017 00:38:16 -0400
Subject: [PATCH] Fixed possible out of range byte value

Bytes need to be between 0 and 255, not 256
---
 captcha/audio.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/captcha/audio.py b/captcha/audio.py
index 31a300e..577f52c 100644
--- a/captcha/audio.py
+++ b/captcha/audio.py
@@ -112,7 +112,7 @@ def change_sound(body, level=1):
         if v > 128:
             v = (v - 128) * level + 128
             v = max(int(v), 128)
-            v = min(v, 256)
+            v = min(v, 255)
         elif v < 128:
             v = 128 - (128 - v) * level
             v = min(int(v), 128)