Index: Lib/distutils/command/build_scripts.py
===================================================================
--- Lib/distutils/command/build_scripts.py	(revision 59658)
+++ Lib/distutils/command/build_scripts.py	(working copy)
@@ -111,7 +111,8 @@
                 if f:
                     f.close()
             else:
-                f.close()
+                if f:
+                    f.close()
                 self.copy_file(script, outfile)
 
         if os.name == 'posix':