diff --git a/scripts/blame.py b/scripts/blame.py
index 7e8c2bc95..2efa71f82 100755
--- a/scripts/blame.py
+++ b/scripts/blame.py
@@ -2,6 +2,7 @@
 
 import argparse
 import subprocess
+import sys
 from collections import defaultdict
 from datetime import datetime
 from operator import itemgetter