diff -urN mailman-2.1.5-orig/bin/check_perms mailman-2.1.5/bin/check_perms
--- mailman-2.1.5-orig/bin/check_perms	2003-03-31 14:07:55.000000000 -0600
+++ mailman-2.1.5/bin/check_perms	2004-07-21 17:24:34.810274976 -0500
@@ -313,6 +313,8 @@
         print _('checking permissions on list data')
     # BAW: This needs to be converted to the Site module abstraction
     for dir in os.listdir(mm_cfg.LIST_DATA_DIR):
+        if not S_ISDIR(statmode(os.path.join(mm_cfg.LIST_DATA_DIR,dir))):
+            continue
         for file in checkfiles:
             path = os.path.join(mm_cfg.LIST_DATA_DIR, dir, file)
             if STATE.VERBOSE: