From e626c0b55c2c4b6295b5607f5735804e6e17c221 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Tue, 1 Dec 2015 09:42:36 +0100
Subject: [PATCH] Raise an error if psutil version is invalid

Fix #361
---
 gns3server/utils/interfaces.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gns3server/utils/interfaces.py b/gns3server/utils/interfaces.py
index 6ada204f..962c4581 100644
--- a/gns3server/utils/interfaces.py
+++ b/gns3server/utils/interfaces.py
@@ -22,6 +22,9 @@ import socket
 import struct
 import psutil
 
+if psutil.version_info < (3, 0, 0):
+    raise Exception("psutil version should >= 3.0.0. If you are under ubuntu/debian install gns3 via apt instead of pip")
+
 import logging
 log = logging.getLogger(__name__)