The Future Warning from scikit-learn which was reported last January and marked as closed is still throwing a warning with 0.5.1.

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**Expected behavior**
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**Versions (please complete the following information):**
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- Versions for `factor_analyzer` / `numpy` / `scipy` / `pandas`

**Additional context**
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The issue names no source file or test and provides no reproducible code or version details beyond factor_analyzer 0.5.1 and scikit-learn. Start by reproducing the warning with that release and inspect where the scikit-learn API is used. Done means the reported warning is no longer emitted, with a regression test covering the behavior.

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