DuplicatedKeysError when loading tweet_qa dataset
COLLABORATOR
Hi, we've just merged the PR with the fix. The fixed version of the dataset can be downloaded as follows:
```python
import datasets
dset = datasets.load_dataset("tweet_qa", revision="master")
```
2022-01-12T15:17:32Z
https://github.com/huggingface/datasets/issues/3555#issuecomment-1011150656
https://api.github.com/repos/huggingface/datasets/issues/3555
IC_kwDODunzps48RO9A
https://api.github.com/repos/huggingface/datasets/issues/comments/1011150656/reactions
2022-01-12T15:17:32Z
https://api.github.com/repos/huggingface/datasets/issues/comments/1011150656
https://avatars.githubusercontent.com/u/47462742?v=4
https://api.github.com/users/mariosasko/events{/privacy}
https://api.github.com/users/mariosasko/followers
https://api.github.com/users/mariosasko/following{/other_user}
https://api.github.com/users/mariosasko/gists{/gist_id}
https://github.com/mariosasko
mariosasko
MDQ6VXNlcjQ3NDYyNzQy
https://api.github.com/users/mariosasko/orgs
https://api.github.com/users/mariosasko/received_events
https://api.github.com/users/mariosasko/repos
https://api.github.com/users/mariosasko/starred{/owner}{/repo}
https://api.github.com/users/mariosasko/subscriptions
User
https://api.github.com/users/mariosasko
public
When loading the tweet_qa dataset with `load_dataset('tweet_qa')`, the following error occurs: 

`DuplicatedKeysError: FAILURE TO GENERATE DATASET !
Found duplicate Key: 2a167f9e016ba338e1813fed275a6a1e
Keys should be unique and deterministic in nature
`
Might be related to issues #2433 and #2333

- `datasets` version: 1.17.0
- Python version: 3.8.5
