diff -ur namcap.orig/Namcap/md5sums.py namcap/Namcap/md5sums.py
--- namcap.orig/Namcap/md5sums.py	2007-07-15 01:27:19.000000000 +0800
+++ namcap/Namcap/md5sums.py	2007-07-15 01:31:23.000000000 +0800
@@ -31,10 +31,11 @@
 		if pkginfo.source != None:
 			if pkginfo.md5sums == None:
 				ret[0].append('Missing md5sums')
-			if len(pkginfo.source) > len(pkginfo.md5sums):
-				ret[0].append('Not enough md5sums: %i needed' % len(pkginfo.source))
-			elif len(pkginfo.source) < len(pkginfo.md5sums):
-				ret[0].append('Too Many md5sums: %i needed' % len(pkginfo.source))
+			if pkginfo.md5sums != None:
+				if len(pkginfo.source) > len(pkginfo.md5sums):
+					ret[0].append('Not enough md5sums: %i needed' % len(pkginfo.source))
+				elif len(pkginfo.source) < len(pkginfo.md5sums):
+					ret[0].append('Too Many md5sums: %i needed' % len(pkginfo.source))
 		if pkginfo.md5sums != None:
 			for sum in pkginfo.md5sums:
 				if len(sum) != 32: