diff --git a/meta/lib/oe/patch.py b/meta/lib/oe/patch.py
index c8eeb8b..5fb687d 100644
--- a/meta/lib/oe/patch.py
+++ b/meta/lib/oe/patch.py
@@ -1,4 +1,6 @@
 import oe.path
+import os
+import bb.utils, bb.msg, bb.data, bb.fetch2
 
 class NotFoundError(Exception):
     def __init__(self, path):