diff --git a/fanficfare/browsercache/firefoxcache2.py b/fanficfare/browsercache/firefoxcache2.py
index fea22369..8f801887 100644
--- a/fanficfare/browsercache/firefoxcache2.py
+++ b/fanficfare/browsercache/firefoxcache2.py
@@ -26,6 +26,7 @@ import hashlib
 import glob
 import datetime
 import time
+import traceback
 
 from . import BaseBrowserCache, BrowserCacheException
 from ..six import ensure_binary, ensure_text
diff --git a/fanficfare/browsercache/simplecache.py b/fanficfare/browsercache/simplecache.py
index d732b632..26b1347c 100644
--- a/fanficfare/browsercache/simplecache.py
+++ b/fanficfare/browsercache/simplecache.py
@@ -4,6 +4,7 @@ import hashlib
 import glob
 import time
 import re
+import traceback
 from . import BaseBrowserCache, BrowserCacheException
 from ..six import ensure_binary, ensure_text