# ConstantLengthDataset { #axolotl.ConstantLengthDataset }

```python
ConstantLengthDataset(self, tokenizer, datasets, seq_length=2048)
```

Iterable dataset that returns constant length chunks of tokens from stream of text files.
    Args:
        tokenizer (Tokenizer): The processor used for processing the data.
        dataset (dataset.Dataset): Dataset with text files.
        seq_length (int): Length of token sequences to return.