chore: fix interval bug in the pynb

[jzhao62]

Pull Request Template for OpenBB Developers

fixing week interval in the copper-gold ratio demo

[CLAassistant]

All committers have signed the CLA.

[deeleeramone]

Hi! Thanks for the contribution, we appreciate that. In order to merge to the repo, the branch naming conventions are required. Please rename your branch, as bugfix/fix-demo-bugs, to allow for this.

Thanks!

[piiq]

@luqmanbello how hard would it be to disable branch naming rules for PRs coming from forks?

@jzhao62 can you please sign the CLA? Use the links from the comment of the CLA bot. It's just 3 clicks. We'll handle the merge after that

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you all sign our Contributor License Agreement before we can accept your contribution.1 out of 2 committers have signed the CLA.✅ deeleeramone❌ jzhao62You have signed the CLA already but the status is still pending? Let us recheck it.

[luqmanbello]

@luqmanbello how hard would it be to disable branch naming rules for PRs coming from forks?

@piiq I would look into it.