diff --git a/iw_parser.py b/iw_parser.py
index 2ef537a..1f9e470 100755
--- a/iw_parser.py
+++ b/iw_parser.py
@@ -1,7 +1,9 @@
 #!/usr/bin/python
+# -*- coding: utf-8 -*-
 
 
 import os
+import re
 import argparse
 
 from numpy import min, max, median, mean, std