Hello TKF,

Try after removing _name from you code.

As Yenthe said in the comment, you should either use _name for creating new model or use _inherit to extend the existing object.

Hello TKF,

I think you're using the old v7 style to define inheritance. Until v7 using both _name and _inherit wasn't a problem (it was at most redundant), the proof is that the picture used in the current v8 documentation was taken from the old "v7 technical memento" (v7 developer oriented document) so it is somehow misleading for v8, see the picture in the following link:

https://www.odoo.com/documentation/8.0/reference/orm.html#inheritance-and-extension 

Two inheritance types have also been renamed since v8:

* Extension. Which used to be referred as "Class inheritance" (as seen in the picture)

* Classical inheritance. Which used to be referred as "Prototype inheritance" (as seen see the picture)

If you read the documentation for the "Extension" inheritance, it clearly reads "using _inherit but leaving out _name". The code that builds models, introduced since v8, requires that usage:

https://github.com/odoo/odoo/blob/8.0/openerp/models.py#L589 

I hope this helps.

Regards.