Kirill

We can use `oneOf` field? Im hasnt time to develop this. It have hard logic for me.

No cursor visible. 

Absolutely. Its may invented. But we need deside that design wee need. What about use `user:adress` where `address` is emeddable

This fix works with Python 3.9 ```py import io def frombits(bits) -> io.BytesIO: chars = bytearray() for b in range(len(bits) // 8): byte = bits[b * 8:(b + 1) *...