def METHOD_NAME(strings, lex_attr):
    vocab1 = Vocab(strings=strings)
    vocab2 = Vocab()
    vocab1[strings[0]].norm_ = lex_attr
    assert vocab1[strings[0]].norm_ == lex_attr
    assert vocab2[strings[0]].norm_ != lex_attr
    vocab2 = vocab2.from_bytes(vocab1.to_bytes())
    assert vocab2[strings[0]].norm_ == lex_attr