Index: merge.py
===================================================================
--- merge.py	(revision 70301)
+++ merge.py	(working copy)
@@ -1,7 +1,10 @@
 import msilib,os,win32com,tempfile,sys
 PCBUILD="PCBuild"
 certname = None
-from config import *
+try:
+  from config import *
+except ImportError:
+  pass
 
 Win64 = "amd64" in PCBUILD