Fix example on sidebar

[sepkov]

📚 Context

While exploring sidebar examples I wanted to run this example but didn't work.

🧠 Description of Changes

import time import is added.

Revised:

Insert screenshot of your updated UI/code here

Current:

Insert screenshot of existing UI/code here

💥 Impact

Beginners doesn't get frustrated Size:

• [x] Small
• [ ] Not small

🌐 References

• [ ] Notion

Contribution License Agreement

By submitting this pull request you agree that all contributions to this project are made under the Apache 2.0 license.

[sfc-gh-dmatthews]

Thanks for the fix!