diff --git a/misc/demo-journal.py b/misc/demo-journal.py
index ff76636..cdc6c9f 100644
--- a/misc/demo-journal.py
+++ b/misc/demo-journal.py
@@ -1,4 +1,4 @@
-import os, sys, json
+import os, sys, json, contextlib, random
 from twisted.internet import task, defer, endpoints
 from twisted.application import service, internet
 from twisted.web import server, static, resource