From 8f44ab81dfec406762b59f17ffb0b3b996c2fe6f Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 10 Feb 2025 09:47:41 +0530
Subject: [PATCH] ...

---
 src/calibre/gui2/library/views.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/calibre/gui2/library/views.py b/src/calibre/gui2/library/views.py
index 3ee7d5dd93..1bab9b4ff0 100644
--- a/src/calibre/gui2/library/views.py
+++ b/src/calibre/gui2/library/views.py
@@ -1510,7 +1510,8 @@ class BooksView(TableView):  # {{{
             return
         if ev.key() == Qt.Key.Key_F2:
             key = self.column_map[self.currentIndex().column()]
-            if self._model.db.field_metadata[key]['datatype'] == 'composite':
+            db = self.model().db
+            if hasattr(db, 'field_metadata') and db.field_metadata[key]['datatype'] == 'composite':
                 self.cc_template_delegate.allow_one_edit()
         return QTableView.keyPressEvent(self, ev)