Fix typo in huggingface hub
{'login': 'LysandreJik', 'id': 30755778, 'node_id': 'MDQ6VXNlcjMwNzU1Nzc4', 'avatar_url': 'https://avatars.githubusercontent.com/u/30755778?v=4', 'gravatar_id': '', 'url': 'https://api.github.com/users/LysandreJik', 'html_url': 'https://github.com/LysandreJik', 'followers_url': 'https://api.github.com/users/LysandreJik/followers', 'following_url': 'https://api.github.com/users/LysandreJik/following{/other_user}', 'gists_url': 'https://api.github.com/users/LysandreJik/gists{/gist_id}', 'starred_url': 'https://api.github.com/users/LysandreJik/starred{/owner}{/repo}', 'subscriptions_url': 'https://api.github.com/users/LysandreJik/subscriptions', 'organizations_url': 'https://api.github.com/users/LysandreJik/orgs', 'repos_url': 'https://api.github.com/users/LysandreJik/repos', 'events_url': 'https://api.github.com/users/LysandreJik/events{/privacy}', 'received_events_url': 'https://api.github.com/users/LysandreJik/received_events', 'type': 'User', 'site_admin': False}
[]
[]
pip knows how to resolve to `huggingface_hub`, but conda doesn't!

The `packaging` dependency is also required for the build to complete.
{'url': 'https://api.github.com/repos/huggingface/datasets/issues/2192/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/2192', 'html_url': 'https://github.com/huggingface/datasets/pull/2192', 'diff_url': 'https://github.com/huggingface/datasets/pull/2192.diff', 'patch_url': 'https://github.com/huggingface/datasets/pull/2192.patch', 'merged_at': '2021-04-08T15:47:40Z'}