From dc982684a9cb1ff63ab2672a1a32bc58ccce2ae7 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Tue, 14 Jul 2026 11:50:55 +0000
Subject: [PATCH] =?UTF-8?q?=E2=9A=A1=20Optimize=20passport=20merging=20ded?=
 =?UTF-8?q?uplication?=
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Co-authored-by: eterna2 <1248825+eterna2@users.noreply.github.com>
---
 libs/kest-core/python/src/kest/core/models/passport.py | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/libs/kest-core/python/src/kest/core/models/passport.py b/libs/kest-core/python/src/kest/core/models/passport.py
index 0d4e2f3b..d1342276 100644
--- a/libs/kest-core/python/src/kest/core/models/passport.py
+++ b/libs/kest-core/python/src/kest/core/models/passport.py
@@ -92,13 +92,7 @@ def merge(*passports: "Passport") -> "Passport":
         Returns:
             Passport: A new Passport instance containing the union of all entries.
         """
-        seen = set()
-        merged_entries = []
-        for p in passports:
-            for entry in p.entries:
-                if entry not in seen:
-                    seen.add(entry)
-                    merged_entries.append(entry)
+        merged_entries = list(dict.fromkeys(e for p in passports for e in p.entries))
         return Passport(entries=merged_entries)
 
     def add_signature(self, signature: str):