Added missing file

account_reconcile_oca/models/account_bank_statement.py

@@ -0,0 +1,15 @@
+# Copyright 2024 Dixmit
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+from odoo import models
+
+
+class AccountBankStatement(models.Model):
+    _inherit = "account.bank.statement"
+
+    def action_open_statement(self):
+        self.ensure_one()
+        action = self.env["ir.actions.act_window"]._for_xml_id(
+            "account_reconcile_oca.account_bank_statement_action_edit"
+        )
+        action["res_id"] = self.id
+        return action