From 5820bc95c1c91bc3711ebf0ad177c3af35cd6b24 Mon Sep 17 00:00:00 2001
From: Janik Besendorf <janik@besendorf.org>
Date: Wed, 25 Mar 2026 08:44:16 +0100
Subject: [PATCH] Replace bare KeyError catch with explicit key check in
 net_base

---
 src/mvt/ios/modules/net_base.py | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/src/mvt/ios/modules/net_base.py b/src/mvt/ios/modules/net_base.py
index 1773e29..e0952ed 100644
--- a/src/mvt/ios/modules/net_base.py
+++ b/src/mvt/ios/modules/net_base.py
@@ -311,14 +311,11 @@ class NetBase(IOSExtraction):
         self.results = sorted(self.results, key=operator.itemgetter("first_isodate"))
 
     def check_indicators(self) -> None:
-        # Check for manipulated process records.
-        # TODO: Catching KeyError for live_isodate for retro-compatibility.
-        #       This is not very good.
-        try:
+        # check_manipulated/find_deleted require "live_isodate" and
+        # "live_proc_id" keys which may be absent in older result formats.
+        if self.results and "live_isodate" in self.results[0]:
             self.check_manipulated()
             self.find_deleted()
-        except KeyError:
-            pass
 
         if not self.indicators:
             return