From fa9bdec43d966aca2b5dc5d42bff6ddc904a19a2 Mon Sep 17 00:00:00 2001
From: elie <elie>
Date: Sat, 15 Mar 2014 14:27:01 +0000
Subject: handle the case of deactivated sys.stderr

---
 pyasn1/debug.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyasn1/debug.py b/pyasn1/debug.py
index cb21fb6..21d9e3c 100644
--- a/pyasn1/debug.py
+++ b/pyasn1/debug.py
@@ -15,7 +15,7 @@ flagMap = {
     }
 
 class Debug:
-    defaultPrinter = sys.stderr.write
+    defaultPrinter = sys.stderr and sys.stderr.write or None
     def __init__(self, *flags):
         self._flags = flagNone
         if not self.defaultPrinter:
-- 
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