[FIX] account_bank_statement_import: journal without default credit/debit account

A traceback was raised when importing a statement for a journal without default credit/debit account.

opw:742196

addons/account_bank_statement_import/account_bank_statement_import.py

@@ -43,6 +43,8 @@ class AccountBankStatementImport(models.TransientModel):
         if not journal:
             # The active_id is passed in context so the wizard can call import_file again once the journal is created
             return self.with_context(active_id=self.ids[0])._journal_creation_wizard(currency, account_number)
+        if not journal.default_debit_account_id or not journal.default_credit_account_id:
+            raise UserError(_('You have to set a Default Debit Account and a Default Credit Account for the journal: %s') % (journal.name,))
         # Prepare statement data to be used for bank statements creation
         stmts_vals = self._complete_stmts_vals(stmts_vals, journal, account_number)
         # Create the bank statements

addons/account_bank_statement_import/i18n/account_bank_statement_import.pot

@@ -482,6 +482,12 @@ msgstr ""
 msgid "You have already imported that file."
 msgstr ""
 
+#. module: account_bank_statement_import
+#: code:addons/account_bank_statement_import/account_bank_statement_import.py:47
+#, python-format
+msgid "You have to set a Default Debit Account and a Default Credit Account for the journal: %s"
+msgstr ""
+
 #. module: account_bank_statement_import
 #: model:ir.ui.view,arch_db:account_bank_statement_import.account_bank_statement_import_view
 msgid "_Import"