Add a lock around TcpClient.close() to try avoiding None.close()
Add a lock around TcpClient.close() to try avoiding None.close()

LonamiWebs/Telethon,LonamiWebs/Telethon,andr-04/Telethon,LonamiWebs/Telethon,expectocode/Telethon,LonamiWebs/Telethon