DuplicatedKeysError when trying to load adversarial_qa
MEMBER
Thanks for reporting !
#2433 fixed the issue, thanks @mariosasko :)

We'll do a patch release soon of the library.
In the meantime, you can use the fixed version of adversarial_qa by adding `script_version="master"` in `load_dataset`
2021-06-01T08:53:47Z
https://github.com/huggingface/datasets/issues/2431#issuecomment-851953574
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2021-06-01T08:54:03Z
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## Describe the bug
A clear and concise description of what the bug is.

## Steps to reproduce the bug
```python
dataset = load_dataset('adversarial_qa', 'adversarialQA')
```

## Expected results
The dataset should be loaded into memory

## Actual results

>DuplicatedKeysError: FAILURE TO GENERATE DATASET !
>Found duplicate Key: 4d3cb5677211ee32895ca9c66dad04d7152254d4
>Keys should be unique and deterministic in nature
>
>
>During handling of the above exception, another exception occurred:
>
>DuplicatedKeysError                       Traceback (most recent call last)
>
>/usr/local/lib/python3.7/dist-packages/datasets/arrow_writer.py in check_duplicate_keys(self)
>    347         for hash, key in self.hkey_record:
>    348             if hash in tmp_record:
>--> 349                 raise DuplicatedKeysError(key)
>    350             else:
>    351                 tmp_record.add(hash)
>
>DuplicatedKeysError: FAILURE TO GENERATE DATASET !
>Found duplicate Key: 4d3cb5677211ee32895ca9c66dad04d7152254d4
>Keys should be unique and deterministic in nature

## Environment info
- `datasets` version: 1.7.0
- Platform: Linux-5.4.109+-x86_64-with-Ubuntu-18.04-bionic
- Python version: 3.7.10
- PyArrow version: 3.0.0
