def does_contain_unicode(name: str) -> bool:
    """
    Check if name contains unicode characters.

    >>> does_contain_unicode('hello_world1')
    False

    >>> does_contain_unicode('')
    False

    >>> does_contain_unicode('привет_мир1')
    True

    >>> does_contain_unicode('russian_техт')
    True

    """
    try:
        name.encode('ascii')
    except UnicodeEncodeError:
        return True
    else:
        return False