diff --git a/script/statistics.py b/script/statistics.py
index e142b57..425fc64 100644
--- a/script/statistics.py
+++ b/script/statistics.py
@@ -2,6 +2,7 @@ import java.sql.DriverManager as DriverManager
 import java.sql.ResultSet as ResultSet
 import java.util.Properties as Properties
 import java.lang.Class as Class
+import os
 
 stmt = None 
 STAT_COLUMN_NAMES = ["Command","Args","Source","Start","End","Background","Result","Return"]