def post(): data = request.get_json() email = data['email'] inbox = data['inbox'] spam = data['spam'] inbox_prep = Classificator.prepare_data(inbox) spam_prep = Classificator.prepare_data(spam) y_inbox = [-1 for el in inbox_prep] y_spam = [1 for el in spam_prep] X = inbox_prep + spam_prep y = y_inbox + y_spam cl = Classificator(email) cl.fit(X, y) return jsonify({})