diff --git a/devtools/system.py b/devtools/system.py
index bc875e62..8fb06b56 100644
--- a/devtools/system.py
+++ b/devtools/system.py
@@ -1,6 +1,7 @@
 import shutil
 import platform
 import os
+import sys
 
 chrome = ["chrome", "Chrome", "google-chrome", "google-chrome-stable", "Chrome.app", "Google Chrome", "chromium", "chromium-browser"]
 chromium = ["chromium", "chromium-browser"]