Streaming issue for ccdv/pubmed-summarization
### Link

https://huggingface.co/datasets/ccdv/pubmed-summarization

### Description

This was reported by a [user of AutoTrain Evaluate](https://huggingface.co/spaces/autoevaluate/model-evaluator/discussions/7). It seems like streaming doesn't work due to the way the dataset loading script is defined?

```
Status code:   400
Exception:     FileNotFoundError
Message:       https://huggingface.co/datasets/ccdv/pubmed-summarization/resolve/main/train.zip/train.txt
```

### Owner

No