Python warnings found in code output

Python Warnings Detected

🚨 2 Python warning(s) were found in the HTML output during the documentation build.

Details:

• Repository: QuantEcon/lecture-python.myst
• Workflow: Build Project [using jupyter-book]
• Run ID: 17387820866
• Commit: ef62d4286ff0b7160e0bf1e80b42d759e25a30c0
• Branch: 529/merge
• Date: 2025-09-01T22:05:41.350Z

DeprecationWarning in ./_build/html/samuelson.html

Found 2 instance(s):

9:/tmp/ipykernel_9496/3523376856.py:185: MatplotlibDeprecationWarning: Passing the marker parameter of scatter() positionally is deprecated since Matplotlib 3.9; the parameter will become keyword-only in 3.11.
  ax.scatter(self.ρ1, self.ρ2, 100, 'red', '+',

Next Steps:

1. Review the warnings listed above
2. Fix the underlying code that's generating these warnings
3. Re-run the build to verify the warnings are resolved

Note: This issue was automatically created by the Check for Python Warnings Action.

Please close this issue once all warnings have been addressed.