Point of sale can't create pos order search_read

[Simon ANDRÉ]

When point of sale try to synchronize pos order...

http://bazaar.launchpad.net/~openerp/openobject-addons/7.0/revision/9910

2014-03-24 02:12:00,446 30957 ERROR test openerp.osv.osv: Uncaught exception
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 132, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 199, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 187, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/addons/point_of_sale/point_of_sale.py", line 494, in create_from_ui
    existing_orders = self.search_read(cr, uid, domain=[('pos_reference', 'in', submitted_references)], fields=['pos_reference'], context=context)
AttributeError: 'pos_order' object has no attribute 'search_read'
2014-03-24 02:12:00,446 30957 ERROR test openerp.netsvc: 'pos_order' object has no attribute 'search_read'
Traceback (most recent call last):
  File "/usr/lib/pymodules/python2.7/openerp/netsvc.py", line 296, in dispatch_rpc
    result = ExportService.getService(service_name).dispatch(method, params)
  File "/usr/lib/pymodules/python2.7/openerp/service/web_services.py", line 626, in dispatch
    res = fn(db, uid, *params)
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 190, in execute_kw
    return self.execute(db, uid, obj, method, *args, **kw or {})
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 132, in wrapper
    return f(self, dbname, *args, **kwargs)
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 199, in execute
    res = self.execute_cr(cr, uid, obj, method, *args, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/osv/osv.py", line 187, in execute_cr
    return getattr(object, method)(cr, uid, *args, **kw)
  File "/usr/lib/pymodules/python2.7/openerp/addons/point_of_sale/point_of_sale.py", line 494, in create_from_ui
    existing_orders = self.search_read(cr, uid, domain=[('pos_reference', 'in', submitted_references)], fields=['pos_reference'], context=context)
AttributeError: 'pos_order' object has no attribute 'search_read'