Broken Links Found in Documentation

# Link Check Report 🚨 **2 broken link(s)** and **0 redirect(s)** were found in the documentation. **Details:** - **Repository:** QuantEcon/lecture-python-programming - **Workflow:** Link Checker [Anaconda, Linux] - **Run ID:** [28409144137](https://github.com/QuantEcon/lecture-python-programming/actions/runs/28409144137) - **Commit:** d37b1d8adbf6e18b17e125cca761a6eb2ccd9041 - **Branch:** main - **Date:** 2026-06-29T23:29:10.614Z --- ## Link Check Summary - **Total broken links**: 2 - **Total redirects found**: 0 ## Broken Links **_site/pandas.html** - 2 broken link(s): ❌ https://fred.stlouisfed.org/ - Status: 0 (Timeout) Link text: FRED ❌ https://fred.stlouisfed.org/series/UNRATE - Status: 0 (Timeout) Link text: unemployment rate --- **Next Steps:** 1. Review the broken links listed above 2. Update or remove broken links from the source files 3. Consider applying AI suggestions for better alternatives 4. Re-run the link check to verify fixes **Note:** This issue was automatically created by the [AI-Powered Link Checker Action](https://github.com/QuantEcon/meta/.github/actions/link-checker). Please close this issue once all broken links have been addressed.