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JOE ROOT 
@api.model
def create(self, vals):
********def******
res = super(ResPartner, self).create(vals)
I am trying to overwrite the create function in the inherited model, 
once I save it


 raise TypeError(f"unsupported operand types in: {self} + {arg!r}")
TypeError: unsupported operand types in: res.partner() + None

Can someone help me to resolve this please?


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JOE ROOT
Auteur Meilleure réponse

Thanks for your reply, 

here is my  original code,  which is same as your but no result. Thank you

@api.model
def create(self, vals):
    if self.customer_code:
        rec_count = self.env['res.partner'].search_count([('customer_code', '=', self.customer_code)])
        if rec_count > 0:
            raise ValidationError(_("Customer code already exists"))
    super(ResPartner, self).create(vals)



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Mily Shajan

Try like this
if vals['customer_code']:
rec_count = self.env['res.partner'].search_count([('customer_code', '=', vals['customer_code'])])

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Mily Shajan
Meilleure réponse

Hi 

Try this code 

@api.model
def create(self, vals):
if vals.get('code'):
vals['code'] = vals['code'].upper()
return super(ResPartner, self).create(vals)

where code is a field in your model res.partner

https://youtu.be/ZRx3Ll8L7Mo


Hope this Helps

Regards

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Ignorer