Retrieve a single order

        Returns a single order available to the user, according to the unique order ID provided
        If the specified order does not exist, the request will return an error

        :calls: ``get /orders/{id}``
        :param int id: Unique identifier of a Order.
        :return: Dictionary that support attriubte-style access and represent Order resource.
        :rtype: dict

def retrieve(self, id) :
        """
        Retrieve a single order

        Returns a single order available to the user, according to the unique order ID provided
        If the specified order does not exist, the request will return an error

        :calls: ``get /orders/{id}``
        :param int id: Unique identifier of a Order.
        :return: Dictionary that support attriubte-style access and represent Order resource.
        :rtype: dict
        """

        _, _, order = self.http_client.get("/orders/{id}".format(id=id))
        return order