diff --git a/sf_manufacturing/models/product_template.py b/sf_manufacturing/models/product_template.py
index fd0168fb..6e211f09 100644
--- a/sf_manufacturing/models/product_template.py
+++ b/sf_manufacturing/models/product_template.py
@@ -9,8 +9,8 @@ from odoo.exceptions import ValidationError, UserError
 from odoo.modules import get_resource_path
 
 
-# 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
 
 
 class ResProductMo(models.Model):
diff --git a/sf_manufacturing/wizard/production_technology_re_adjust_wizard.py b/sf_manufacturing/wizard/production_technology_re_adjust_wizard.py
index 6d7e438f..80a02b2b 100644
--- a/sf_manufacturing/wizard/production_technology_re_adjust_wizard.py
+++ b/sf_manufacturing/wizard/production_technology_re_adjust_wizard.py
@@ -104,6 +104,7 @@ class ProductionTechnologyReAdjustWizard(models.TransientModel):
                                 self.env['mrp.workorder'].json_workorder_str(special.production_id, special))
                             special.production_id.write({'workorder_ids': workorders_values})
                     else:
+                        logging.info(workorder.blocked_by_workorder_ids)
                         if len(workorder.blocked_by_workorder_ids) > 1:
                             if workorder.sequence == 1:
                                 workorder.blocked_by_workorder_ids = None
diff --git a/sf_sale/models/quick_easy_order.py b/sf_sale/models/quick_easy_order.py
index cb1886a1..081807a4 100644
--- a/sf_sale/models/quick_easy_order.py
+++ b/sf_sale/models/quick_easy_order.py
@@ -8,8 +8,8 @@ from datetime import datetime
 import requests
 from odoo import http
 from odoo.http import request
-# 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
 from odoo import models, fields, api
 from odoo.modules import get_resource_path
 from odoo.exceptions import ValidationError, UserError
diff --git a/sf_sale/models/quick_easy_order_old.py b/sf_sale/models/quick_easy_order_old.py
index d963d021..87848e3a 100644
--- a/sf_sale/models/quick_easy_order_old.py
+++ b/sf_sale/models/quick_easy_order_old.py
@@ -5,8 +5,8 @@ import requests
 import os
 from datetime import datetime
 # from OCC.Core.GProp import GProp_GProps
-# 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
 from odoo.addons.sf_base.commons.common import Common
 from odoo import models, fields, api
 from odoo.modules import get_resource_path