diff --git a/adafruit_fanservice.py b/adafruit_fanservice.py
index 95d7a50..a8a892f 100644
--- a/adafruit_fanservice.py
+++ b/adafruit_fanservice.py
@@ -1,3 +1,5 @@
+import os
+
 try:
     from adafruit_shell import Shell
 except ImportError: