From 806805c0b1571871fbd425394d67a676ad90ac84 Mon Sep 17 00:00:00 2001
From: Paul Gauthier <aider@paulg.org>
Date: Sat, 10 Jun 2023 06:16:22 -0700
Subject: [PATCH] Ensure leading_whitespace is actually space

---
 aider/utils.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aider/utils.py b/aider/utils.py
index b67af7e29..3da9f3584 100644
--- a/aider/utils.py
+++ b/aider/utils.py
@@ -77,7 +77,7 @@ def replace_part_with_missing_leading_whitespace(whole, part, replace):
                 leading_whitespace = whole_lines[i][:j]
                 break
 
-        if not leading_whitespace:
+        if not leading_whitespace or not all(c.isspace() for c in leading_whitespace):
             continue
 
         matched = all(