From 284c52da092438522949d6f96d8c1f9ff37f9f00 Mon Sep 17 00:00:00 2001
From: Dennis Sweeney <36520290+sweeneyde@users.noreply.github.com>
Date: Mon, 26 Apr 2021 20:22:27 -0400
Subject: bpo-38530: Require 50% similarity in NameError and AttributeError
 suggestions (GH-25584)

---
 Python/suggestions.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'Python')

diff --git a/Python/suggestions.c b/Python/suggestions.c
index d4e9dc22bb..2fd6714e84 100644
--- a/Python/suggestions.c
+++ b/Python/suggestions.c
@@ -102,7 +102,10 @@ calculate_suggestions(PyObject *dir,
         if (current_distance == -1) {
             return NULL;
         }
-        if (current_distance == 0 || current_distance > MAX_DISTANCE) {
+        if (current_distance == 0 ||
+            current_distance > MAX_DISTANCE ||
+            current_distance * 2 > name_size)
+        {
             continue;
         }
         if (!suggestion || current_distance < suggestion_distance) {
-- 
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