[CLN] estate: code formate and removed some blank lines

Author: danal-odoo

estate/models/estate_property_offer.py

@@ -1,6 +1,6 @@
 from dateutil.relativedelta import relativedelta
 
-from odoo import api, models, fields, exceptions
+from odoo import api, models, fields
 
 
 class EstatePropertyOffer(models.Model):
@@ -37,11 +37,10 @@ def action_accept(self):
             record.property_id.selling_price = record.price
             record.property_id.customer = record.partner_id
         return True
-    
+
     def action_refuse(self):
         for record in self:
             record.status = "refused"
             record.property_id.selling_price = 0.00
             record.property_id.customer = None
         return True
-