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@ api.onchange ( 'duration' ) 
def compute_status ( self ): 
if self .duration! = 0 :
for record in self .subscription:
record.write ({ 'subscription_months_calc' : record.duration + record.subscription_months_calc})
record. write ({ 'subscription_expiry_date' : record.subscription_registration_date + relativedelta (
months = record.subscription_months_calc)})


I have wrote the above function to make change into my another custom module. It is not changing the value nor it is giving an error. Kindly help me.

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Melhor resposta

Hi,

Please try his code

from odoo.fields import Date
from dateutil.relativedelta import relativedelta

@api.onchange('duration')
def compute_status(self):
if self.duration: 
   
for record in self.subscription:
       
record.write({'subscription_months_calc': record.duration + record.subscription_months_calc})
       
       
if record.subscription_registration_date:
            expiry_date = Date.from_string(
record.subscription_registration_date) + relativedelta(
                months=
record.subscription_months_calc)
           
record.write({'subscription_expiry_date': Date.to_string(expiry_date)})

Hope it helps

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