change user permissions to -rw-r--r--
CONTRIBUTOR
I tried this with `ade_corpus_v2` dataset. `ade_corpus_v2-train.arrow` (downloaded dataset) and `cache-25d41a4d3c2d8a25.arrow` (ran a mapping function on the dataset) both had file permission with octal value of `0644`. 
2021-03-19T18:17:57Z
https://github.com/huggingface/datasets/pull/2086#issuecomment-803022178
https://api.github.com/repos/huggingface/datasets/issues/2086
MDEyOklzc3VlQ29tbWVudDgwMzAyMjE3OA==
https://api.github.com/repos/huggingface/datasets/issues/comments/803022178/reactions
2021-03-19T18:17:57Z
https://api.github.com/repos/huggingface/datasets/issues/comments/803022178
https://avatars.githubusercontent.com/u/19718818?v=4
https://api.github.com/users/bhavitvyamalik/events{/privacy}
https://api.github.com/users/bhavitvyamalik/followers
https://api.github.com/users/bhavitvyamalik/following{/other_user}
https://api.github.com/users/bhavitvyamalik/gists{/gist_id}
https://github.com/bhavitvyamalik
bhavitvyamalik
MDQ6VXNlcjE5NzE4ODE4
https://api.github.com/users/bhavitvyamalik/orgs
https://api.github.com/users/bhavitvyamalik/received_events
https://api.github.com/users/bhavitvyamalik/repos
https://api.github.com/users/bhavitvyamalik/starred{/owner}{/repo}
https://api.github.com/users/bhavitvyamalik/subscriptions
User
https://api.github.com/users/bhavitvyamalik
public
Fix for #2065 