(self)
return ['do_not_invoice', 'no_invoice_reason',
                'salesforce_contract_id', 'skip_auto_downgrade']
These are the attributes of a Subscription that can always be
        changed while the subscription is active (or reactivated)
These are the attributes of a Subscription that can always be
        changed while the subscription is active (or reactivated)
These are the attributes of a Subscription that can always be changed while the subscription is active ( or reactivated )
def allowed_attr_changes(self):
        """
        These are the attributes of a Subscription that can always be
        changed while the subscription is active (or reactivated)
        """
        return ['do_not_invoice', 'no_invoice_reason',
                'salesforce_contract_id', 'skip_auto_downgrade']
def allowed_attr_changes ( self ) : return [ 'do_not_invoice' , 'no_invoice_reason' , 'salesforce_contract_id' , 'skip_auto_downgrade' ]