[FIX] Add noqa tags to backported py files.

account_bank_statement_import/account_bank_statement_import.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# noqa: This is a backport from Odoo. OCA has no control over style here.
+# flake8: noqa
 
 from openerp.osv import fields, osv
 from openerp.tools.translate import _

account_bank_statement_import_ofx/account_bank_statement_import_ofx.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# noqa: This is a backport from Odoo. OCA has no control over style here.
+# flake8: noqa
 
 import logging
 import base64

account_bank_statement_import_ofx/tests/test_import_bank_statement.py

@@ -1,3 +1,6 @@
+# -*- coding: utf-8 -*-
+# noqa: This is a backport from Odoo. OCA has no control over style here.
+# flake8: noqa
 from openerp.tests.common import TransactionCase
 from openerp.modules.module import get_module_resource
 

account_bank_statement_import_qif/account_bank_statement_import_qif.py

@@ -1,4 +1,6 @@
 # -*- coding: utf-8 -*-
+# noqa: This is a backport from Odoo. OCA has no control over style here.
+# flake8: noqa
 
 import dateutil.parser
 import base64

account_bank_statement_import_qif/tests/test_import_bank_statement.py

@@ -1,3 +1,6 @@
+# -*- coding: utf-8 -*-
+# noqa: This is a backport from Odoo. OCA has no control over style here.
+# flake8: noqa
 from openerp.tests.common import TransactionCase
 from openerp.modules.module import get_module_resource