odoomrp/odoomrp-wip — pull request #457 by oihane (2014-12-17 15:40:27+00:00)
Title: [FIX] Warning in a constraint

En el log se puede ver el siguiente warning:
```
WARNING openerp_template openerp.models: @constrains('from', 'to', 'sample') parameters must be field names
```