1 files changed, 1 insertions, 0 deletions

diff --git a/s2.py b/s2.py
index ca03e22e..b6b3caef 100644
--- a/s2.py
+++ b/s2.py
@@ -1,3 +1,4 @@
+import os
 import requests
 
 class AuthorStub(object):