From 3108dfbfa43e59906b642ac6ab382f7e5352ce32 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 13 May 2024 08:54:31 +0530
Subject: [PATCH] Fix #2065536 [TEMPLATE ERROR in json
 export](https://bugs.launchpad.net/calibre/+bug/2065536)

---
 src/calibre/db/cli/cmd_list.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/src/calibre/db/cli/cmd_list.py b/src/calibre/db/cli/cmd_list.py
index 9907b26001..2d43674153 100644
--- a/src/calibre/db/cli/cmd_list.py
+++ b/src/calibre/db/cli/cmd_list.py
@@ -43,10 +43,7 @@ def implementation(
         for k in fm.custom_field_keys():
             afields.add('*' + k[1:])
         if 'all' in fields:
-            if template:
-                fields = sorted(afields - {'template'})
-            else:
-                fields = sorted(afields)
+            fields = sorted(afields if template else (afields - {'template'}))
         sort_by = sort_by or 'id'
         sort_fields = sort_by.split(',')
         for sf in sort_fields: