text: import transformers
  
  MAX_LEN = 512
  TRAIN_BATCH_SIZE = 8
  VALID_BATCH_SIZE = 4
  EPOCHS = 3
  LEARNING_RATE = 1e-05
  TOKENIZER = transformers.RobertaTokenizer.from_pretrained('roberta-base')
  MODEL_PATH = "../output/model.bin"