import nltk from transformers import MarianMTModel, MarianTokenizer nltk.download('wordnet') nltk.download('punkt') nltk.download('averaged_perceptron_tagger') model_name = 'Helsinki-NLP/opus-mt-en-ru' tokenizer = MarianTokenizer.from_pretrained(model_name) model = MarianMTModel.from_pretrained(model_name)