Fix: Improve robustness in 06_modeling_demo.py (Types, Dependencies, & Pandas Ambiguity)Fix modeling demo types#16

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xx-devvv wants to merge 3 commits intoProgrammers-Paradise:mainfrom

xx-devvv:fix-modeling-demo-types

Commits on Jan 24, 2026

Fix: Prevent crash in 01_data_io_demo.py when pyarrow is missing
xx-devvv
committed
Fix: Handle float return type in demo_health_check to prevent AttributeError
xx-devvv
committed
Fix: Resolve Pandas DataFrame ambiguity and Optuna dependency crash
xx-devvv
committed