[Doc] There are two pip-307s

[AuroraTwinkle]

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• [X] I searched in the issues and found nothing similar.

What issue do you find in Pulsar docs?

I found that there are two pip-307s in the pip directory, which confused me. Ones is: https://github.com/apache/pulsar/blob/master/pip/pip-307.md Other one is: https://github.com/apache/pulsar/blob/master/pip/pip_307.md

What is your suggestion?

Maybe we should rename one of the PIPs? Otherwise when we talk about PIP-307, people might not understand which PIP we are talking about.

Any reference?

No response

Are you willing to submit a PR?

• [ ] I'm willing to submit a PR!

[hechen0]

solved already. check https://github.com/apache/pulsar/pull/21623

[AuroraTwinkle]

solved already. check https://github.com/apache/pulsar/pull/21623

This is just a readme doc comment, but do nothing about pip 307.