fix old_val typo in f-string
{'login': 'Mehdi2402', 'id': 56029953, 'node_id': 'MDQ6VXNlcjU2MDI5OTUz', 'avatar_url': 'https://avatars.githubusercontent.com/u/56029953?v=4', 'gravatar_id': '', 'url': 'https://api.github.com/users/Mehdi2402', 'html_url': 'https://github.com/Mehdi2402', 'followers_url': 'https://api.github.com/users/Mehdi2402/followers', 'following_url': 'https://api.github.com/users/Mehdi2402/following{/other_user}', 'gists_url': 'https://api.github.com/users/Mehdi2402/gists{/gist_id}', 'starred_url': 'https://api.github.com/users/Mehdi2402/starred{/owner}{/repo}', 'subscriptions_url': 'https://api.github.com/users/Mehdi2402/subscriptions', 'organizations_url': 'https://api.github.com/users/Mehdi2402/orgs', 'repos_url': 'https://api.github.com/users/Mehdi2402/repos', 'events_url': 'https://api.github.com/users/Mehdi2402/events{/privacy}', 'received_events_url': 'https://api.github.com/users/Mehdi2402/received_events', 'type': 'User', 'site_admin': False}
[]
[]

This PR is to correct a typo in #3277  that @Carlosbogo revieled in a comment.

Related closed issue : #3257 

Sorry about that 😅.
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{'url': 'https://api.github.com/repos/huggingface/datasets/pulls/3302', 'html_url': 'https://github.com/huggingface/datasets/pull/3302', 'diff_url': 'https://github.com/huggingface/datasets/pull/3302.diff', 'patch_url': 'https://github.com/huggingface/datasets/pull/3302.patch', 'merged_at': '2021-11-22T17:04:19Z'}