Makes single image request
        :param image: One of file object, path, or URL
        :param features: Recognition features
        :return:

def make_request(self, image, *features):
        """
        Makes single image request
        :param image: One of file object, path, or URL
        :param features: Recognition features
        :return:
        """
        return {
            "image": {
                "content": self.image_to_base64(image)
            },
            "features": [{
                             "type": feature.type_,
                             "maxResults": feature.max_results
                         } for feature in features]
        }