优化警告问题

sf_machine_connect/wizard/action_up.py

@@ -2,15 +2,11 @@
 import base64
 import logging
 import os
-import json
-import hashlib
-import time
 from datetime import datetime
-import requests
-from odoo import fields, models, api, _
-from odoo.exceptions import ValidationError
+from odoo import fields, models
+# from odoo.exceptions import ValidationError
 from odoo.exceptions import UserError
-from odoo.addons.sf_machine_connect.models import py2opcua, ftp_operate
+from odoo.addons.sf_machine_connect.models import ftp_operate
 
 _logger = logging.getLogger(__name__)