@ -698,7 +698,7 @@ class ExternalContext(object):
self.stdout_log = IoLogger(self.broker, 'stdout', 1)
self.stderr_log = IoLogger(self.broker, 'stderr', 2)
# Reopen with line buffering.
sys.stdout = file('/dev/stdout', 'w', 1)
sys.stdout = os.fdopen(1, 'w', 1)
fp = file('/dev/null')
try: