diff --git a/src/allmydata/storage_client.py b/src/allmydata/storage_client.py
index 7d8df34c7..09da110db 100644
--- a/src/allmydata/storage_client.py
+++ b/src/allmydata/storage_client.py
@@ -29,7 +29,11 @@ the foolscap-based server implemented in src/allmydata/storage/*.py .
 # 6: implement other sorts of IStorageClient classes: S3, etc
 
 
-import re, time, hashlib
+import re
+import time
+import json
+import hashlib
+from datetime import datetime
 from ConfigParser import (
     NoSectionError,
 )