GLUE/QQP dataset: NonMatchingChecksumError
Hi ! Sure I'll take a look
Hi @lhoestq , I know you are busy and there are also other important issues. But if this is easy to be fixed, I am shamelessly wondering if you can give me some help , so I can evaluate my models and restart with my developing cycle asap. 😚

datasets version: editable install of master at 9/17

`datasets.load_dataset('glue','qqp', cache_dir='./datasets')`

```
Downloading and preparing dataset glue/qqp (download: 57.73 MiB, generated: 107.02 MiB, post-processed: Unknown size, total: 164.75 MiB) to ./datasets/glue/qqp/1.0.0/7c99657241149a24692c402a5c3f34d4c9f1df5ac2e4c3759fadea38f6cb29c4...
---------------------------------------------------------------------------
NonMatchingChecksumError                  Traceback (most recent call last)
 in 
----> 1 datasets.load_dataset('glue','qqp', cache_dir='./datasets')

~/datasets/src/datasets/load.py in load_dataset(path, name, data_dir, data_files, split, cache_dir, features, download_config, download_mode, ignore_verifications, save_infos, script_version, **config_kwargs)
    609         download_config=download_config,
    610         download_mode=download_mode,
--> 611         ignore_verifications=ignore_verifications,
    612     )
    613 

~/datasets/src/datasets/builder.py in download_and_prepare(self, download_config, download_mode, ignore_verifications, try_from_hf_gcs, dl_manager, **download_and_prepare_kwargs)
    467                     if not downloaded_from_gcs:
    468                         self._download_and_prepare(
--> 469                             dl_manager=dl_manager, verify_infos=verify_infos, **download_and_prepare_kwargs
    470                         )
    471                     # Sync info

~/datasets/src/datasets/builder.py in _download_and_prepare(self, dl_manager, verify_infos, **prepare_split_kwargs)
    527         if verify_infos:
    528             verify_checksums(
--> 529                 self.info.download_checksums, dl_manager.get_recorded_sizes_checksums(), "dataset source files"
    530             )
    531 

~/datasets/src/datasets/utils/info_utils.py in verify_checksums(expected_checksums, recorded_checksums, verification_name)
     37     if len(bad_urls) > 0:
     38         error_msg = "Checksums didn't match" + for_verification_name + ":\n"
---> 39         raise NonMatchingChecksumError(error_msg + str(bad_urls))
     40     logger.info("All the checksums matched successfully" + for_verification_name)
     41 

NonMatchingChecksumError: Checksums didn't match for dataset source files:
['https://dl.fbaipublicfiles.com/glue/data/QQP-clean.zip']
```