Code review comment for lp:~openobject-italia-core-devs/openobject-italia/l10n_it_invoice_tax_compute

Sembrano esserci problemi con le tasse parzialmente deducibili.
Ho provato a creare una fattura fornitore con una riga da 123,57 e IVA 20% deducibile al 50%.

Cliccando su 'Compute Taxes' ottengo

ERROR:web-services:Uncaught exception
Traceback (most recent call last):
  File "/home/elbati/workspace/openerp/openerp6/server/bin/osv/osv.py", line 122, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/home/elbati/workspace/openerp/openerp6/server/bin/osv/osv.py", line 176, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/home/elbati/workspace/openerp/openerp6/server/bin/osv/osv.py", line 167, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/home/elbati/workspace/openerp/openerp6/server/bin/addons/account/invoice.py", line 644, in button_reset_taxes
    for taxe in ait_obj.compute(cr, uid, id, context=ctx).values():
  File "/home/elbati/workspace/openerp/openerp6/server/bin/addons/l10n_it_invoice_tax/invoice.py", line 79, in compute
    amount = tax_obj.compute_all(cr, uid, t['tax'], t['price'], 1)["taxes"][0]["amount"] #MG
KeyError: 'tax'