Kill execfile(), use exec() instead
diff --git a/Lib/plat-mac/bundlebuilder.py b/Lib/plat-mac/bundlebuilder.py
index e833add..d8186c1 100755
--- a/Lib/plat-mac/bundlebuilder.py
+++ b/Lib/plat-mac/bundlebuilder.py
@@ -322,7 +322,12 @@
 import argvemulator, os
 
 argvemulator.ArgvCollector().mainloop()
-execfile(os.path.join(os.path.split(__file__)[0], "%(realmainprogram)s"))
+fp = os.path.join(os.path.split(__file__)[0], "%(realmainprogram)s")
+try:
+    script = fp.read()
+finally:
+    fp.close()
+exec(script)
 """
 
 #