Called when a captcha must be solved
        Writes the image to a temporary file and asks the user to enter the code.

        Args:
            captcha_data: Bytestring of the PNG captcha image.
            message: Optional. A message from Steam service.

        Returns:
            A string containing the solved captcha code.

def _handle_captcha(captcha_data, message=''): # pylint:disable=unused-argument
        ''' Called when a captcha must be solved
        Writes the image to a temporary file and asks the user to enter the code.

        Args:
            captcha_data: Bytestring of the PNG captcha image.
            message: Optional. A message from Steam service.

        Returns:
            A string containing the solved captcha code.
        '''
        from tempfile import NamedTemporaryFile
        tmpf = NamedTemporaryFile(suffix='.png')
        tmpf.write(captcha_data)
        tmpf.flush()
        captcha_text = input('Please take a look at the captcha image "%s" and provide the code:' % tmpf.name)
        tmpf.close()
        return captcha_text