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A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning tasks.

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[python-package] remove unused fallback code in _pandas_to_numpy #7444

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jameslamb opened 2:14am on September 22, 2026 wants to merge 20 Δ into microsoft/lightgbm main from

python/misc-cleanups

Pull Request Overview

Opened on September 21, 2026
Status Open
Commit count 1 with first commit September 21, 2026

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20 Total Diff Delta

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Open 10 weekdays

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0 Diff Delta in Test Files

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[python-package] remove unused fallback code in _pandas_to_numpy

Contributes to #7031

The Python package's minimum pandas floor is >=1.3.4:

https://github.com/lightgbm-org/LightGBM/blob/a0afb85496b1f483710d2a861330321eab794fff/python-package/pyproject.toml#L47-L50

This removes a fallback that was only needed for pandas>=1.0,<1.2.

cc @maxzw for visibility

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