From 284f1ba8cdc4635a50965b54db6cceaa91e1969e Mon Sep 17 00:00:00 2001
From: Andrew Hamilton <and_hamilton@yahoo.com>
Date: Wed, 23 Feb 2022 18:47:14 +1000
Subject: [PATCH] termstr: When there are no wide chars to pad don't make a new
 string

---
 termstr/termstr.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/termstr/termstr.py b/termstr/termstr.py
index 4d3edc1..4aedc33 100644
--- a/termstr/termstr.py
+++ b/termstr/termstr.py
@@ -166,8 +166,9 @@ _ZERO_WIDTH_SPACE = "\u200b"
 
 
 def _pad_wide_chars(str_):
-    return "".join(f"{char}{_ZERO_WIDTH_SPACE}"
-                   if cwcwidth.wcwidth(char) == 2 else char for char in str_)
+    padded_str = "".join(f"{char}{_ZERO_WIDTH_SPACE}"
+                         if cwcwidth.wcwidth(char) == 2 else char for char in str_)
+    return str_ if len(padded_str) == len(str_) else padded_str
 
 
 class TermStr(collections.UserString):