[fix] install from scratch

models/account_invoice.py

@@ -9,7 +9,7 @@ class AccountInvoice(models.Model):
 
     @api.model
     def _default_arescop_group_id(self):
-        if self.env.user.company_id == self.env.ref('cgscop_account_arescop.company_arescop'):
+        if self.env.user.company_id == self.env.ref('cgscop_account_arescop.company_arescop', False):
             return self.env.user.arescop_group_id.id
 
     arescop_group_id = fields.Many2one(

models/product.py

@@ -9,7 +9,7 @@ class Product(models.Model):
 
     @api.model
     def _default_arescop_group_id(self):
-        if self.env.user.company_id == self.env.ref('cgscop_account_arescop.company_arescop'):
+        if self.env.user.company_id == self.env.ref('cgscop_account_arescop.company_arescop', False):
             return self.env.user.arescop_group_id.id
 
     arescop_group_id = fields.Many2one(