diff --git a/examples/query_fw_versions.py b/examples/query_fw_versions.py
index c91652962..a8f25b37e 100755
--- a/examples/query_fw_versions.py
+++ b/examples/query_fw_versions.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python3
 import argparse
+import time
 import _thread
 from tqdm import tqdm
 from panda import Panda