I have a form with one2many view. when I click the one2many record a popup will show the record. In that popup record I have a button action for them. When I Click the Button the action will performed but the one2many popup record is not closing. I want to close that popup record when the button action will perform. 

How can I do this.........?

Here below I given the Button return value . In that how can I give Flag to close the one2many popup window.

return {

            'name': _ ('List'),

            'type': 'ir.actions.act_window',

            'view_type': 'form',

            'view_mode': 'form',

            'res_model': 'product.pricelist',

            'views': [(view.id, 'form')],

            'view_id': view.id,

            'flags': {'initial_mode': 'edit'},

            'res_id': self.id,

            }