[test] fix local flash case

rogerwang · rogerwang · commit 327e8cbd320a · 2017-02-20T09:37:40.000+08:00
diff --git a/test/sanity/issue5706-local-flash/test.py b/test/sanity/issue5706-local-flash/test.py
@@ -4,6 +4,7 @@
 import zipfile
 import platform
 import subprocess
+import sys
 
 from selenium import webdriver
 from selenium.webdriver.chrome.options import Options
