From ae5468a2d3714a4762d3d03b359789d778b71a89 Mon Sep 17 00:00:00 2001
From: Julien Duponchelle <julien@duponchelle.info>
Date: Fri, 8 Apr 2016 16:12:41 +0200
Subject: [PATCH] When starting docker raise proper error if ubridge is not
 available

Fix #484
---
 gns3server/modules/base_vm.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gns3server/modules/base_vm.py b/gns3server/modules/base_vm.py
index e7ea4d4d0..b42930a57 100644
--- a/gns3server/modules/base_vm.py
+++ b/gns3server/modules/base_vm.py
@@ -403,7 +403,7 @@ class BaseVM:
         if path == "ubridge":
             path = shutil.which("ubridge")
 
-        if path is None:
+        if path is None or len(path) == 0:
             raise VMError("uBridge is not installed")
         return path