From: Vinay Sajip <vinay_sajip@yahoo.co.uk>
Date: Fri, 20 Jan 2012 11:20:12 +0000 (+0000)
Subject: Closes #13807: Now checks for sys.stderr being there before writing to it.
X-Git-Tag: v2.7.3rc1~145
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6d102f18cbcdcdf46e1f3a849a15fb12c2af56fb;p=python

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 dad69aebca..be775e8bb4 100644
--- a/Lib/logging/__init__.py
+++ b/Lib/logging/__init__.py
@@ -794,7 +794,7 @@ 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],