From f26fb90c3d2c67da12ed5138bb4c1ae6428decf5 Mon Sep 17 00:00:00 2001
From: msincenselee <incenselee@hotmail.com>
Date: Wed, 3 May 2017 14:19:25 +0800
Subject: [PATCH] bug fix, add traceback

---
 vn.trader/ctaStrategy/ctaEngine.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/vn.trader/ctaStrategy/ctaEngine.py b/vn.trader/ctaStrategy/ctaEngine.py
index 917c1c5a..f9fecee4 100644
--- a/vn.trader/ctaStrategy/ctaEngine.py
+++ b/vn.trader/ctaStrategy/ctaEngine.py
@@ -22,6 +22,7 @@
 
 import json
 import os
+import traceback
 from collections import OrderedDict
 from datetime import datetime, timedelta