move prepare_env.py to Python file in mcp-run-python

[samuelcolvin]

• I need to do a release and check it works with permissions before merging this

[github-actions]

Docs Preview

commit:	82d80e7
Preview URL:	https://7fd941a8-pydantic-ai-previews.pydantic.workers.dev

[hyperlint-ai]

PR Change Summary

Moved the prepare.py script to the mcp-run-python directory and updated the README documentation accordingly.

• Moved prepare.py to the mcp-run-python directory.
• Updated README to reflect changes in the execution environment.
• Clarified usage instructions for running the server.

Modified Files

• mcp-run-python/README.md

---

How can I customize these reviews?

Check out the Hyperlint AI Reviewer docs for more information on how to customize the review.

If you just want to ignore it on this PR, you can add the hyperlint-ignore label to the PR. Future changes won't trigger a Hyperlint review.

Note specifically for link checks, we only check the first 30 links in a file and we cache the results for several hours (for instance, if you just added a page, you might experience this). Our recommendation is to add hyperlint-ignore to the PR to ignore the link check for this PR.