From 69b1dd32a40249ffa1bc7a0d9a6221edafc2efc8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=90=D0=BD=D0=B4=D1=80=D0=B5=D0=B9=20=D0=92=D0=BB=D0=B0?=
 =?UTF-8?q?=D0=B4=D0=B8=D0=BC=D0=B8=D1=80=D0=BE=D0=B2=D0=B8=D1=87?=
 <xveduk@tut.by>
Date: Thu, 18 Feb 2016 15:06:48 +0300
Subject: [PATCH] adding OSError

---
 src/tox.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/tox.py b/src/tox.py
index 0857a28..d26fecb 100644
--- a/src/tox.py
+++ b/src/tox.py
@@ -31,6 +31,8 @@ class Tox(object):
             self.libtoxcore = CDLL(temp + 'libtoxcore.so')
         elif system() == 'Windows':
             self.libtoxcore = CDLL('libs/libtox.dll')
+        else:
+            raise OSError('Unknown system.')
 
         # load saved data
         if path is None: