[FIX] hack to (not) evaluate normalized domains:

expression.py now always normalize its given domain, but the evaluation code
for the orm_memory is just lacking. The fix simply skips any operator.

bzr revid: vmt@openerp.com-20110726152122-hi8y65fixcx65me8

openerp/osv/orm.py

@@ -2440,6 +2440,9 @@ class orm_memory(orm_template):
                     break
                 f = True
                 for arg in result:
+                    if len(arg) != 3:
+                       # Amazing hack: orm_memory handles only simple domains.
+                       continue
                     if arg[1] == '=':
                         val = eval('data[arg[0]]'+'==' +' arg[2]', locals())
                     elif arg[1] in ['<', '>', 'in', 'not in', '<=', '>=', '<>']: