fix: CodeRabbit auto-fixes for PR #2104

[coderabbitai]

This stacked PR contains CodeRabbit auto-fixes for #2104.

Files modified:

• modelopt/torch/puzzletron/post_mip/runner.py
• modelopt/torch/puzzletron/stages/pipeline.py
• modelopt/torch/puzzletron/subblock_stats/calc_subblock_stats.py
• puzzletron_setup/wizard.py
• tests/unit/torch/puzzletron/test_sparse_runtime_stats.py

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[grzegorz-k-karch]

lgtm