--- Lib/distutils/command/register.py.old	2006-08-23 16:41:17.000000000 +0200
+++ Lib/distutils/command/register.py	2006-08-23 16:41:33.000000000 +0200
@@ -245,7 +245,7 @@
         body = StringIO.StringIO()
         for key, value in data.items():
             # handle multiple entries for the same name
-            if type(value) != type([]):
+            if not isinstance(value, (list, tuple)):
                 value = [value]
             for value in value:
                 value = unicode(value).encode("utf-8")