From dfd9cb1e121ea74aefea81ac18ed4fe09d1243df Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Mon, 30 Sep 1996 18:50:44 +0000
Subject: [PATCH] Don't die if an ok file method (e.g. fileno) doesn't exist.

---
 Lib/rexec.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Lib/rexec.py b/Lib/rexec.py
index 76e8b40ad12..0d1b5a17452 100644
--- a/Lib/rexec.py
+++ b/Lib/rexec.py
@@ -38,7 +38,7 @@ class FileWrapper(FileBase):
 	def __init__(self, f):
 		self.f = f
 		for m in self.ok_file_methods:
-			if not hasattr(self, m):
+			if not hasattr(self, m) and hasattr(f, m):
 				setattr(self, m, getattr(f, m))
 	
 	def close(self):