diff -up Python-2.7.2/Lib/test/test_dl.py.skip-test_dl Python-2.7.2/Lib/test/test_dl.py
--- Python-2.7.2/Lib/test/test_dl.py.skip-test_dl	2011-09-08 15:18:40.529034289 -0400
+++ Python-2.7.2/Lib/test/test_dl.py	2011-09-08 16:29:45.184742670 -0400
@@ -13,6 +13,9 @@ sharedlibs = [
     ('/usr/lib/libc.dylib', 'getpid'),
     ]
 
+# (also, "dl" is deprecated in favor of ctypes)
+@unittest._skipInRpmBuild('fails on 64-bit builds: '
+    'module dl requires sizeof(int) == sizeof(long) == sizeof(char*)')
 def test_main():
     for s, func in sharedlibs:
         try: