Use the correct amount of random bytes in DH request
Use the correct amount of random bytes in DH request

The official documentation says a 2048 *bit* number.
`os.urandom` takes an argument that represents the number of *bytes*.
2048 bits is 256 bytes
LonamiWebs/Telethon,LonamiWebs/Telethon,andr-04/Telethon,LonamiWebs/Telethon,expectocode/Telethon,LonamiWebs/Telethon,kyasabu/Telethon