Merge pull request #189 from akretion/14.0-style-fix

[14.0][account_usability] style fix

account_usability/models/account_move.py

@@ -2,13 +2,14 @@
 # @author Alexis de Lattre <alexis.delattre@akretion.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
+from datetime import timedelta
 import logging
+
 from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+from odoo.osv import expression
 from odoo.tools import float_is_zero
 from odoo.tools.misc import format_date
-from odoo.osv import expression
-from datetime import timedelta
-from odoo.exceptions import UserError
 
 _logger = logging.getLogger(__name__)