[7.0] error at refund creation

[rdeheele]

Current behavior:
Create an invoice with a partner A and one invoice line with a product X.
Create a rma claim, select the partner A, select the invoice in "product return" tab.
It autofills a line below.
Edit the rma, add a line that is not present in the invoice.
Pass the rma in "in progress" state.
Click on the "New Refund" button.
A pop-up appears, click on "Create Refund" red button.
A traceback occurs:

  File "/home/rdeheele/machines/openerp_dev/parts/server/addons/account/wizard/account_invoice_refund.py", line 232, in invoice_refund
    return self.compute_refund(cr, uid, ids, data_refund, context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/rma/crm_claim_rma/wizard/account_invoice_refund.py", line 36, in compute_refund
    cr, uid, ids, mode=mode, context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/server/addons/account/wizard/account_invoice_refund.py", line 158, in compute_refund
    refund_id = inv_obj.refund(cr, uid, [inv.id], date, period, description, journal_id, context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/server/addons/account/account_invoice.py", line 1296, in refund
    context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/rma/crm_claim_rma/account_invoice.py", line 89, in _prepare_refund
    journal_id=journal_id, context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/server/addons/account/account_invoice.py", line 1260, in _prepare_refund
    invoice_lines = self._refund_cleanup_lines(cr, uid, invoice.invoice_line, context=context)
  File "/home/rdeheele/machines/openerp_dev/parts/rma/crm_claim_rma/account_invoice.py", line 64, in _refund_cleanup_lines
    print 'invline field_name ', inv_line[field_name]
  File "/home/rdeheele/machines/openerp_dev/parts/server/openerp/osv/orm.py", line 406, in __getitem__
    field_values = self._table.read(self._cr, self._uid, ids, field_names, context=self._context, load="_classic_write")
  File "/home/rdeheele/machines/openerp_dev/parts/server/openerp/osv/orm.py", line 3720, in read
    result = self._read_flat(cr, user, select, fields, context, load)
  File "/home/rdeheele/machines/openerp_dev/parts/server/openerp/osv/orm.py", line 3774, in _read_flat
    cr.execute(query, [tuple(sub_ids)] + rule_params)
  File "/home/rdeheele/machines/openerp_dev/parts/server/openerp/sql_db.py", line 161, in wrapper
    return f(self, *args, **kwargs)
  File "/home/rdeheele/machines/openerp_dev/parts/server/openerp/sql_db.py", line 226, in execute
    res = self._obj.execute(query, params)
ProgrammingError: operator does not exist: integer = boolean
LINE 1: ...count_invoice_line" WHERE account_invoice_line.id IN (false)...

Problem
The added line is not linked with an existing invoice line, it seems a problem for refund creation.

Expected Behavior
Create a refund with the two lines.
OR
Show a message error explaining the problem.

[github-actions]

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