根据odoo规则修改py文件中得import顺序

sf_manufacturing/models/mrp_maintenance.py

@@ -1,7 +1,8 @@
 # -*- coding: utf-8 -*-
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
-from odoo import api, fields, models, _
 from dateutil.relativedelta import relativedelta
+from odoo import api, fields, models, _
+
 
 
 class MaintenanceEquipment(models.Model):

sf_manufacturing/models/product_template.py

@@ -3,8 +3,8 @@ from odoo import models, fields, api, _
 from odoo.exceptions import ValidationError
 from odoo.modules import get_resource_path
 from odoo.addons.sf_base.commons.common import Common
-from OCC.Extend.DataExchange import read_step_file
-from OCC.Extend.DataExchange import write_stl_file
+#from OCC.Extend.DataExchange import read_step_file
+#from OCC.Extend.DataExchange import write_stl_file
 import logging
 import base64
 import hashlib

sf_manufacturing/models/stock.py

@@ -1,18 +1,15 @@
 # -*- coding: utf-8 -*-
+import logging
 import base64
 from collections import defaultdict, namedtuple
-from odoo.addons.stock.models.stock_rule import ProcurementException
-from odoo.addons.sf_base.commons.common import Common
-from odoo.exceptions import ValidationError, UserError
 import requests
-import json
 from re import findall as regex_findall
 from datetime import datetime, timedelta
 from re import split as regex_split
 from odoo import SUPERUSER_ID, _, api, fields, models
 from odoo.tools import float_compare
-import logging
-
+from odoo.addons.stock.models.stock_rule import ProcurementException
+from odoo.addons.sf_base.commons.common import Common
 from odoo.exceptions import UserError