From 6810c0f753a1155a3d5eabf6466611b25eda4896 Mon Sep 17 00:00:00 2001
From: Andrew Pimenov <pimenoffandrew@gmail.com>
Date: Sun, 9 Aug 2026 16:11:43 +0300
Subject: [PATCH] optimize first_loss_jump with zip pairwise iteration

---
 src/netsleuth/exporter.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/netsleuth/exporter.py b/src/netsleuth/exporter.py
index d78ab68..b9f3ce3 100644
--- a/src/netsleuth/exporter.py
+++ b/src/netsleuth/exporter.py
@@ -153,8 +153,7 @@ def badge(severity: str, emoji: bool, lang: str = "en") -> str:
 
 
 def first_loss_jump(hops: list[dict]) -> int | None:
-    for index, hop in enumerate(hops[:-1]):
-        following = hops[index + 1]
+    for hop, following in zip(hops, hops[1:]):
         if hop.get("loss_pct", 0.0) >= _LOSS_JUMP_PCT and following.get("loss_pct", 0.0) >= _LOSS_JUMP_PCT:
             return hop.get("ttl")
     return None