Hi, i have been trying to over_create_invoice using super in inherited wizard/sale_make_invoice_advance.py
Here is my .py code

class overrideCreateInvoice(models.TransientModel):

_inherit = 'sale.advance.payment.inv'

def _create_invoice(self, order, so_line, amount):

  res = super (overrideCreateInvoice,self)._create_invoice(order, so_line, amount)

  sale_line_obj = self.env['sale.order.line']

  res.write({'TotalWeight': sale_line_obj.TotalWeight})

  res.write({'PricePerUnit': sale_line_obj.PricePerUnit})

i have two custom field both of these field were added in sale order line and account invoice line

however, values still not propagate please help

thank you