diff --git a/mocks.py b/mocks.py
index 32d3ae61..af2048ed 100644
--- a/mocks.py
+++ b/mocks.py
@@ -76,3 +76,6 @@ def write(self, outString):
 class Utils():
     def __init__(self):
         self.drop_privileges = lambda: None
+
+    def err(self, msg):
+        sys.stderr.write("%s\n" % msg)