From 5f7bc8bff2c97f1d3b7b5f1825025f457524c7aa Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 28 May 2018 14:11:10 +0530
Subject: [PATCH] Opening for reading is sufficient

---
 kittens/icat/main.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kittens/icat/main.py b/kittens/icat/main.py
index c50a3c805..ff6759373 100755
--- a/kittens/icat/main.py
+++ b/kittens/icat/main.py
@@ -254,7 +254,7 @@ def main(args=sys.argv):
 
     if args.print_window_size:
         screen_size_function.ans = None
-        with open('/dev/tty', 'w') as tty:
+        with open('/dev/tty') as tty:
             ss = screen_size_function(tty)()
         print('{}x{}'.format(ss.width, ss.height))
         raise SystemExit(0)