Dataset Viewer issue for eli5
### Link

https://huggingface.co/datasets/eli5

### Description

while calling this script "curl -X GET \
     "https://datasets-server.huggingface.co/first-rows?dataset=eli5&config=LFQA_reddit&split=test_eli5""

I got this error "{"error":"list.extend() takes exactly one argument (7 given)"}"

Dataset Viewer issue for eli5: ### Link

https://huggingface.co/datasets/eli5

### Description

while calling this script "curl -X GET \
     "https://datasets-server.huggingface.co/first-rows?dataset=eli5&config=LFQA_reddit&split=test_eli5""

I got this error "{"error":"list.extend() takes exactly one argument (7 given)"}"
