def create_point(self, x, y):
        """Create an ECDSA point on the SECP256k1 curve with the given coords.

        :param x: The x coordinate on the curve
        :type x: long
        :param y: The y coodinate on the curve
        :type y: long
        """
        if (not isinstance(x, six.integer_types) or
                not isinstance(y, six.integer_types)):
            raise ValueError("The coordinates must be longs.")
        return _ECDSA_Point(SECP256k1.curve, x, y)
Create an ECDSA point on the SECP256k1 curve with the given coords.

        :param x: The x coordinate on the curve
        :type x: long
        :param y: The y coodinate on the curve
        :type y: long