From 790280ba7251da22ad0e3a7aa1ca4222376b963f Mon Sep 17 00:00:00 2001
From: Mihai <mihai@Ubuntu.mshome.net>
Date: Thu, 5 May 2016 13:39:12 +0300
Subject: [PATCH] Ignore error output of `stty size` when stdin is not a
 terminal.

Fixes #1876

Signed-off-by: Mihai Ciumeica <cmihai@email.com>
---
 compose/cli/formatter.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compose/cli/formatter.py b/compose/cli/formatter.py
index d0ed0f87e..0fa51d06a 100644
--- a/compose/cli/formatter.py
+++ b/compose/cli/formatter.py
@@ -10,7 +10,7 @@ from compose.cli import colors
 
 
 def get_tty_width():
-    tty_size = os.popen('stty size', 'r').read().split()
+    tty_size = os.popen('stty size 2> /dev/null', 'r').read().split()
     if len(tty_size) != 2:
         return 0
     _, width = tty_size