From 96074013e976c6b02116a9f456539cdbfc847d57 Mon Sep 17 00:00:00 2001
From: lverweijen <lverweijen>
Date: Thu, 31 Dec 2020 02:36:11 +0100
Subject: Ignore TMUX-env variable when it's empty

Fixes #2195
---
 ranger/gui/ui.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ranger/gui/ui.py b/ranger/gui/ui.py
index f0f81c88..60f7a98c 100644
--- a/ranger/gui/ui.py
+++ b/ranger/gui/ui.py
@@ -51,7 +51,7 @@ def _setup_mouse(signal):
 
 
 def _in_tmux():
-    return ('TMUX' in os.environ
+    return (os.environ.get('TMUX')
             and 'tmux' in get_executables())
 
 
-- 
cgit 1.4.1-2-gfad0