Missing sys library

diff --git a/moodle-fix.py b/moodle-fix.py
index 74f1fb5..6e505f9 100755 (executable)
--- a/moodle-fix.py
+++ b/moodle-fix.py
@@ -23,6 +23,7 @@ http://github.com/FMCorz/mdk
 """
 
 import os
+import sys
 import argparse
 import re