From: Vinay Sajip <vinay_sajip@yahoo.co.uk>
Date: Fri, 20 Jan 2012 11:23:02 +0000 (+0000)
Subject: Closes #13807: Now checks for sys.stderr being there before writing to it.
X-Git-Tag: v3.1.5rc1~12
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=889bb2969d00a548279c7e4dd237c23b100548e2;p=thirdparty%2FPython%2Fcpython.git

Closes #13807: Now checks for sys.stderr being there before writing to it.
---

diff --git a/Lib/logging/__init__.py b/Lib/logging/__init__.py
index 685efeb4a887..f70dfb5239da 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -721,7 +721,7 @@ class Handler(Filterer):
         You could, however, replace this with a custom handler if you wish.
         The record which was being processed is passed in to this method.
         """
-        if raiseExceptions:
+        if raiseExceptions and sys.stderr:  # see issue 13807
             ei = sys.exc_info()
             try:
                 traceback.print_exception(ei[0], ei[1], ei[2], None, sys.stderr)