From 85aa9c08fa221e3731494f5aeb9379f417fcd375 Mon Sep 17 00:00:00 2001
From: Darley <darley.wey@gmail.com>
Date: Tue, 12 Mar 2024 18:05:11 +0800
Subject: [PATCH] fix render Chinese

---
 py_trees/display.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/py_trees/display.py b/py_trees/display.py
index e718b50b..bb75a9c5 100644
--- a/py_trees/display.py
+++ b/py_trees/display.py
@@ -753,7 +753,7 @@ def render_dot_tree(
         filename = filename_wo_extension + "." + extension
         pathname = os.path.join(target_directory, filename)
         print("Writing {}".format(pathname))
-        writer(pathname)
+        writer(pathname, encoding="utf-8")
         filenames[extension] = pathname
     return filenames