GH-47559: [Python] Fix missing argument in pyarrow fs

[TennyZhuang]

Rationale for this change

Fix a syntax error in Python. The argument is required.

What changes are included in this PR?

• Fix a syntax error in pyarrow fs

Are these changes tested?

Yes

Are there any user-facing changes?

No

• GitHub Issue: missing required argument when calling pyarrow FSSpecHandler delete_root_dir_contents #47559

[github-actions]

Thanks for opening a pull request!

If this is not a minor PR. Could you open an issue for this pull request on GitHub? https://github.com/apache/arrow/issues/new/choose

Opening GitHub issues ahead of time contributes to the Openness of the Apache Arrow project.

Then could you also rename the pull request title in the following format?

GH-${GITHUB_ISSUE_ID}: [${COMPONENT}] ${SUMMARY}

or

MINOR: [${COMPONENT}] ${SUMMARY}

See also:

• Other pull requests
• Contribution Guidelines - Contributing Overview

[pitrou]

Two things:

1. This is not a minor change as it's actually a bugfix, can you please open an issue for it?
2. Can you also add a test to exercise this codepath? (obviously it wasn't tested before :-))

[github-actions]

⚠️ GitHub issue #47559 has been automatically assigned in GitHub to PR creator.

[TennyZhuang]

@pitrou Hi, I've created the issue and added a test.

[pitrou]

@TennyZhuang It appears the test fails on at least some CI platforms, can you look at that?