old_contents: # -*- coding: utf-8 -*-
  import logging
  
  from odoo import http
  from odoo.http import request
  
  _logger = logging.getLogger(__name__)
  
  
  class BarcodeController(http.Controller):
  
      @http.route(['/stock/barcode/'], type='http', auth='user')
      def a(self, debug=False, **k):
          if not request.session.uid:
              return http.local_redirect('/web/login?redirect=/stock/barcode/')
  
          return request.render('stock.barcode_index')
  
new_contents: # -*- coding: utf-8 -*-
  from odoo import http
  from odoo.http import request
  
  
  class BarcodeController(http.Controller):
  
      @http.route(['/stock/barcode/'], type='http', auth='user')
      def a(self, debug=False, **k):
          if not request.session.uid:
              return http.local_redirect('/web/login?redirect=/stock/barcode/')
  
          return request.render('stock.barcode_index')
  
subject: remove unused logger import