fix(dataset_wrappers): Fixes access to fsspec.asyn in torch_iterable_dataset.py.
{'login': 'gugarosa', 'id': 4120639, 'node_id': 'MDQ6VXNlcjQxMjA2Mzk=', 'avatar_url': 'https://avatars.githubusercontent.com/u/4120639?v=4', 'gravatar_id': '', 'url': 'https://api.github.com/users/gugarosa', 'html_url': 'https://github.com/gugarosa', 'followers_url': 'https://api.github.com/users/gugarosa/followers', 'following_url': 'https://api.github.com/users/gugarosa/following{/other_user}', 'gists_url': 'https://api.github.com/users/gugarosa/gists{/gist_id}', 'starred_url': 'https://api.github.com/users/gugarosa/starred{/owner}{/repo}', 'subscriptions_url': 'https://api.github.com/users/gugarosa/subscriptions', 'organizations_url': 'https://api.github.com/users/gugarosa/orgs', 'repos_url': 'https://api.github.com/users/gugarosa/repos', 'events_url': 'https://api.github.com/users/gugarosa/events{/privacy}', 'received_events_url': 'https://api.github.com/users/gugarosa/received_events', 'type': 'User', 'site_admin': False}
[]
[]
_The documentation is not available anymore as the PR was closed or merged._
Fix #4612.

Apparently, newest `fsspec` versions do not allow access to attribute-based modules if they are not imported, such as `fsspec.async`.

Thus, @mariosasko suggested to add the missing part to the module import to allow for its access.
{'url': 'https://api.github.com/repos/huggingface/datasets/issues/4630/reactions', 'total_count': 0, '+1': 0, '-1': 0, 'laugh': 0, 'hooray': 0, 'confused': 0, 'heart': 0, 'rocket': 0, 'eyes': 0}
{'url': 'https://api.github.com/repos/huggingface/datasets/pulls/4630', 'html_url': 'https://github.com/huggingface/datasets/pull/4630', 'diff_url': 'https://github.com/huggingface/datasets/pull/4630.diff', 'patch_url': 'https://github.com/huggingface/datasets/pull/4630.patch', 'merged_at': '2022-07-05T15:08:21Z'}