fudge me
diff --git a/test/test_crypto.py b/test/test_crypto.py
index 97d9297..b393f3a 100644
--- a/test/test_crypto.py
+++ b/test/test_crypto.py
@@ -6,6 +6,7 @@
 
 from unittest import main
 
+import os
 from os import popen2
 from sys import platform
 from datetime import datetime, timedelta