From bac2ff90bafa1aa9e5141b6afc12b068da94ece1 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 29 Sep 2025 21:30:26 +0530
Subject: [PATCH] Fix empty aliases causing an error when loading known
 sessions

Fixes #9043
---
 kitty/options/utils.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kitty/options/utils.py b/kitty/options/utils.py
index 890445a4e..87232cd40 100644
--- a/kitty/options/utils.py
+++ b/kitty/options/utils.py
@@ -1165,6 +1165,8 @@ def build_action_aliases(raw: dict[str, str], first_arg_replacement: str = '') -
 def resolve_aliases_and_parse_actions(
     defn: str, aliases: dict[str, list[ActionAlias]], map_type: MapType
 ) -> Iterator[KeyAction]:
+    if not defn:
+        return
     parts = defn.split(maxsplit=1)
     if len(parts) == 1:
         possible_alias = defn