'List defined Pandora stations.'

def _update_stations(self):

    self._send_station_list_command()
    station_lines = self._pianobar.before.decode('utf-8')
    _LOGGER.debug('Getting    stations:    %s', station_lines)
    self._stations = []
    for line in station_lines.split('\r\n'):
        match = re.search('\\d+\\).....(.+)', line)
        if match:
            station = match.group(1).strip()
            _LOGGER.debug('Found    station    %s', station)
            self._stations.append(station)
        else:
            _LOGGER.debug('No    station    match    on    %s', line)
    self._pianobar.sendcontrol('m')
    self._pianobar.sendcontrol('m')
