Impacted versions:
10.0
Steps to reproduce:
1. Create Customer Invoice and Validate
2. Make Payments on Payments screen and confirm
3. Open Manual Payments and Invocies and try to reconcile hitting CTRL-Enter for mass reconciliation

Current behavior:
Odoo server error raised with traceback
File "/home/odoo/runbot/extra/runbot/static/build/188623-10-0-347494/odoo/addons/account/models/account_move.py", line 729, in process_reconciliations
    self.process_reconciliation(datum['mv_line_ids'], datum['new_mv_line_dicts'])
TypeError: process_reconciliation() takes exactly 2 arguments (3 given)

Expected behavior:

Video/Screenshot link (optional):
![image](https://cloud.githubusercontent.com/assets/17149532/21532189/3596954a-cd4e-11e6-94fa-be2195bd9f7b.png)


#Rec
        amount_reconcile = min(sm_debit_move[field], -sm_credit_move[field])
        #Rem
        if amount_reconcile == sm_debit_move[field]:
            self -= sm_debit_move
        if amount_reconcile == -sm_credit_move[field]:
            self -= sm_credit_move
        #Che
        currency = False
        amount_reconcile_currency = 0
        if sm_debit_move.currency_id == sm_credit_move.currency_id and sm_debit_move.currency_id.id:
            currency = sm_credit_move.currency_id.id
            amount_reconcile_currency = min(sm_debit_move.amount_residual_currency, -sm_credit_move.amount_residual_currency)
        amount_reconcile = min(sm_debit_move.amount_residual, -sm_credit_move.amount_residual)
        if self._context.get('skip_full_reconcile_check') == 'amount_currency_excluded':
            amount_reconcile_currency = 0.0
            currency = self._context.get('manual_full_reconcile_currency')
        elif self._context.get('skip_full_reconcile_check') == 'amount_currency_only':
            currency = self._context.get('manual_full_reconcile_currency')
        self.env['account.partial.reconcile'].create({
            'debit_move_id': sm_debit_move.id,
            'credit_move_id': sm_credit_move.id,
            'amount': amount_reconcile,
            'amount_currency': amount_reconcile_currency,
            'currency_id': currency,
        })
        #Ite
        return self.auto_reconcile_lines()
    @api.multi
    def reconcile(self, writeoff_acc_id=False, writeoff_journal_id=False):