The error shown on the Hub is weird when the it's from a previous error
It does not help at all

<img width="1017" alt="Capture d’écran 2023-06-05 à 11 57 51" src="https://github.com/huggingface/datasets-server/assets/1676121/966905fb-2de7-428c-9583-fb51ee506a36">

```
Traceback:    The previous step failed, the error is copied to this step:  kind='config-info' dataset='stas/openwebtext-10k' config='plain_text' split=None---The previous step failed, the error is copied to this step:  kind='config-parquet-and-info' dataset='stas/openwebtext-10k' config='plain_text' split=None---
```
The error shown on the Hub is weird when the it's from a previous error: It does not help at all

<img width="1017" alt="Capture d’écran 2023-06-05 à 11 57 51" src="https://github.com/huggingface/datasets-server/assets/1676121/966905fb-2de7-428c-9583-fb51ee506a36">

```
Traceback:    The previous step failed, the error is copied to this step:  kind='config-info' dataset='stas/openwebtext-10k' config='plain_text' split=None---The previous step failed, the error is copied to this step:  kind='config-parquet-and-info' dataset='stas/openwebtext-10k' config='plain_text' split=None---
```