From 6599fb0917704247f72b3338e622ebcbb94ba207 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Tue, 9 Dec 1997 14:18:33 +0000
Subject: [PATCH] Make close(), and hence __del__(), robust in the light of the
 world being destroyed already.

---
 Lib/shelve.py | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Lib/shelve.py b/Lib/shelve.py
index b159e613807..9b65a0911fa 100644
--- a/Lib/shelve.py
+++ b/Lib/shelve.py
@@ -74,9 +74,12 @@ class Shelf:
 		del self.dict[key]
 	
 	def close(self):
-		if hasattr(self.dict, 'close'):
-			self.dict.close()
-		self.dict = None
+		try:
+			if self.dict:
+				self.dict.close()
+		except:
+			pass
+		self.dict = 0
 
 	def __del__(self):
 		self.close()