[backport] Fix loading GPU pickle with a CPU-only xgboost distribution. (#8632)#8641

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trivialfis merged 1 commit intodmlc:release_1.7.0from trivialfis:backport-8632

Jan 5, 2023

+22-8

Commits on Jan 5, 2023

Fix loading GPU pickle with a CPU-only xgboost distribution. (dmlc#8632 )
trivialfis
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