title: Add lines to stock picking move lines
body: <p>In my method, I delete lines from stock.pickings and want to add different lines from my model. but i get an error  AttributeError: 'stock.move' object has no attribute 'get' </p>
  
  <pre><code>@api.multi
          def _action_procurement_create(self):
              res = super(SaleOrderLine, self)._action_procurement_create()
              order_line_bom = self.env['sale.order.line.bom'].search([('sale_order_line_id', '=', self.id )])
              stock_move_lines = self.env['stock.move']
              created_stock_move_lines = self.env['stock.move']
              vals = {}
              for order in self.order_id:
                  if self.product_id.bom_ids:
                      order.picking_ids.move_lines.state = 'draft'
                      for move_line in order.picking_ids.move_lines:
                          move_line.unlink()
                      for bom_line in order_line_bom:
                          vals['product_id'] = bom_line.product_id.id,
                          vals['product_uom'] = 1,
                          vals['location_id'] = 1,
                          vals['name'] = bom_line.product_id.name,
                          vals['location_dest_id'] = 1,
                          created_stock_move_lines  += stock_move_lines.create(vals)
                      order.create(stock_move_lines)
  </code></pre>