Send image message
        :param str number: phone number with cc (country code)
        :param str path: image file path

def send_image(self, number, path, caption=None):
        """
        Send image message
        :param str number: phone number with cc (country code)
        :param str path: image file path
        """
        return self._send_media_path(number, path, RequestUploadIqProtocolEntity.MEDIA_TYPE_IMAGE, caption)