HTTPError: 404 Client Error: Not Found for url
## Describe the bug

I was following chap 5 from huggingface course: https://huggingface.co/course/chapter5/6?fw=tf

However, I'm not able to download the datasets, with a 404 erros


<img width="1160" alt="iShot2022-10-06_15 54 50" src="https://user-images.githubusercontent.com/54015474/194406327-ae62c2f3-1da5-4686-8631-13d879a0edee.png">





## Steps to reproduce the bug
```python
from huggingface_hub import hf_hub_url

data_files = hf_hub_url(
    repo_id="lewtun/github-issues",
    filename="datasets-issues-with-hf-doc-builder.jsonl",
    repo_type="dataset",
)
from datasets import load_dataset

issues_dataset = load_dataset("json", data_files=data_files, split="train")
issues_dataset
```


## Environment info
<!-- You can run the command `datasets-cli env` and copy-and-paste its output below. -->
- `datasets` version: 2.5.2
- Platform: macOS-10.16-x86_64-i386-64bit
- Python version: 3.9.12
- PyArrow version: 9.0.0
- Pandas version: 1.4.4

