'color': fields.integer('Color Index'),
'city': fields.related('address_id', 'city', type='char', string='City'),
'login': fields.related('user_id', 'login', type='char', string='Login', readonly=1),
+ 'last_login': fields.related('user_id', 'date', type='datetime', string='Latest Connection', readonly=1),
}
def unlink(self, cr, uid, ids, context=None):