code: def to_array(self):
          
          array = super(ShippingQuery, self).to_array()
          array['id'] = u(self.id)  # py2: type unicode, py3: type str
          array['from'] = self.from_peer.to_array()  # type User
          array['invoice_payload'] = u(self.invoice_payload)  # py2: type unicode, py3: type str
          array['shipping_address'] = self.shipping_address.to_array()  # type ShippingAddress
          return array
docs: Serializes this ShippingQuery to a dictionary.
  
          :return: dictionary representation of this object.
          :rtype: dict