Hello every one

I need to use elif or some thing to force control 2 state to get 2 action for each one in second part of code and i have this below code but it doesn't work and when i remove elif it start working but in one mode, any body know how to write second condition in odoo v8?

def default_recipient(self):
    move_type = self.env.context.get('move', False)
    if move_type == 'in':
        return self.env.user.company_id.partner_id

@property
def default_sender(self):
    move_type = self.env.context.get('move', False)
    if move_type == 'out':
        return self.env.user.company_id.partner_id
    elif move_type == 'int':
        return self.env.user.partner_id