f-string formatting
{'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}
[]
[]
Hello @lhoestq, ```make style``` is applied as asked. :)
**Fix #3257**

Replaced _.format()_ and _%_ by f-strings in the following modules : 
- [x] **tests**
- [x] **metrics**
- [x] **benchmarks**
- [x] **utils**
- [x] **templates**
- [x] **src/Datasets/\*.py**

Modules in **_src/Datasets/_**: 
- [x] **commands**
- [x] **features**
- [x] **formatting**
- [x] **io**
- [x] **tasks**
- [x] **utils**


Module **datasets** will not be edited as asked by @mariosasko 

-A correction of the first PR (#3267)-

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