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Diffstat (limited to 'lib/spack/llnl/util/tty/log.py')
-rw-r--r--lib/spack/llnl/util/tty/log.py5
1 files changed, 2 insertions, 3 deletions
diff --git a/lib/spack/llnl/util/tty/log.py b/lib/spack/llnl/util/tty/log.py
index 3d4972b3ae..b1d45214ab 100644
--- a/lib/spack/llnl/util/tty/log.py
+++ b/lib/spack/llnl/util/tty/log.py
@@ -30,6 +30,7 @@ import re
import select
import sys
+import llnl.util.lang as lang
import llnl.util.tty as tty
import llnl.util.tty.color as color
@@ -147,9 +148,7 @@ class log_output(object):
def __enter__(self):
# Sets a daemon that writes to file what it reads from a pipe
try:
- fwd_input_stream = os.fdopen(
- os.dup(self.input_stream.fileno())
- )
+ fwd_input_stream = lang.duplicate_stream(self.input_stream)
self.p = multiprocessing.Process(
target=self._spawn_writing_daemon,
args=(self.read, fwd_input_stream),