def _ssh_read_next_mpint(data):
    """
    Reads the next mpint from the data.

    Currently, all mpints are interpreted as unsigned.
    """
    mpint_data, rest = _ssh_read_next_string(data)

    return (
        utils.int_from_bytes(mpint_data, byteorder='big', signed=False), rest
    )

    Reads the next mpint from the data.

    Currently, all mpints are interpreted as unsigned.
    
stackoverflow/venv/lib/python3.6/site-packages/cryptography/hazmat/primitives/serialization/ssh.py