Added the "is_modified" pseudo property to the Account data model, and applied it to the update_account view, to count the localized titles for modification.

src/accounting/account/views.py

@@ -139,7 +139,7 @@ def update_account(account: Account) -> redirect:
                                              account=account)))
     with db.session.no_autoflush:
         form.populate_obj(account)
-    if not db.session.is_modified(account):
+    if not account.is_modified:
         flash(lazy_gettext("The account was not modified."), "success")
         return redirect(inherit_next(url_for("accounting.account.detail",
                                              account=account)))

src/accounting/models.py

@@ -292,6 +292,19 @@ class Account(db.Model):
         """
         return cls.find_by_code(cls.__NET_CHANGE)
 
+    @property
+    def is_modified(self) -> bool:
+        """Returns whether a product account was modified.
+
+        :return: True if modified, or False otherwise.
+        """
+        if db.session.is_modified(self):
+            return True
+        for l10n in self.l10n:
+            if db.session.is_modified(l10n):
+                return True
+        return False
+
     def delete(self) -> None:
         """Deletes this accounting account.