# HG changeset patch
# User Oleg Oshmyan <chortos@inbox.lv>
# Date 1294009622 -7200
# Node ID c0f1b87013ad14420f9bf7f417c3ef71b95c6e09
# Parent  e00ab6d1f0baee1d700459cb8b3863e9b1702d31
Fixed a crash on Python 3 on POSIX

diff -r e00ab6d1f0ba -r c0f1b87013ad testcases.py
--- a/testcases.py	Mon Dec 27 23:14:27 2010 +0200
+++ b/testcases.py	Mon Jan 03 01:07:02 2011 +0200
@@ -196,7 +196,7 @@
 			if preexec_fn_:
 				preexec_fn_()
 			fcntl.fcntl(write, fcntl.F_SETFD, fcntl.fcntl(write, fcntl.F_GETFD) | getattr(fcntl, 'FD_CLOEXEC', 1))
-			fwrite = os.fdopen(write, 'ab')
+			fwrite = os.fdopen(write, 'wb')
 			pickle.dump(clock(), fwrite, 1)
 		kwargs['preexec_fn'] = preexec_fn
 		try: