code: def to_array(self):
          
          array = super(LabeledPrice, self).to_array()
          array['label'] = u(self.label)  # py2: type unicode, py3: type str
  
          array['amount'] = int(self.amount)  # type int
          return array
docs: Serializes this LabeledPrice to a dictionary.
  
          :return: dictionary representation of this object.
          :rtype: dict