Try like this it may help you,
Add an extra field in the view, ie,

in Xml,

<field name="check_field" invisible="1" />
<field name="new_field" attrs="{'readonly': [('check_field', '!=', True)]}" />

in py,
check_field = fields.Boolean('Check', compute='get_user')

@api.multi  

@api.depends('new_field')   

def get_user(self):
        if SUPERUSER_ID == self._uid:
            self.check_user = True    

       else:
            self.check_user = False