--- portage.py.orig	2005-07-30 01:03:18.000000000 +0800
+++ portage.py.orig	2005-07-30 01:03:29.000000000 +0800
@@ -6031,8 +6031,9 @@ 
 			try:
 				mydat[1]=os.path.normpath(root+mydat[1][1:])
 				if mydat[0]=="obj":
-					#format: type, mtime, md5sum
-					pkgfiles[string.join(mydat[1:-2]," ")]=[mydat[0], mydat[-1], mydat[-2]]
+					if len(mydat) >= 4:
+						#format: type, mtime, md5sum
+						pkgfiles[string.join(mydat[1:-2]," ")]=[mydat[0], mydat[-1], mydat[-2]]
 				elif mydat[0]=="dir":
 					#format: type
 					pkgfiles[string.join(mydat[1:])]=[mydat[0] ]