Tests

[BUG] Fix Sklearn Models detection by safely importing openml-sklearn #1656

Job	Run time
(windows-latest, Py, sk0.24.*, sk-only:false)	2s
(ubuntu-latest, Py3.8, sk0.23.1, sk-only:false)	2s
(ubuntu-latest, Py3.10, sk1.4.*, sk-only:true)	5m 57s
(ubuntu-latest, Py3.10, sk1.6.*, sk-only:true)	7m 10s
(ubuntu-latest, Py3.10, sk1.7.*, sk-only:true)	6m 8s
(ubuntu-latest, Py3.11, sk1.5.*, sk-only:true)	7m 5s
(ubuntu-latest, Py3.10, sk1.5.*, sk-only:true)	6m 52s
(ubuntu-latest, Py3.11, sk1.3.*, sk-only:true)	6m 38s
(ubuntu-latest, Py3.11, sk1.4.*, sk-only:true)	6m 46s
(ubuntu-latest, Py3.10, sk1.3.*, sk-only:true)	5m 56s
(ubuntu-latest, Py3.11, sk1.6.*, sk-only:true)	7m 12s
(ubuntu-latest, Py3.11, sk1.7.*, sk-only:true)	6m 47s
(ubuntu-latest, Py3.13, sk1.5.*, sk-only:true)	5m 57s
(ubuntu-latest, Py3.12, sk1.7.*, sk-only:true)	7m 6s
(ubuntu-latest, Py3.12, sk1.3.*, sk-only:true)	7m 4s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:true)	7m 2s
(ubuntu-latest, Py3.13, sk1.6.*, sk-only:true)	7m 10s
(ubuntu-latest, Py3.12, sk1.4.*, sk-only:true)	6m 55s
(ubuntu-latest, Py3.13, sk1.7.*, sk-only:true)	6m 59s
(ubuntu-latest, Py3.12, sk1.6.*, sk-only:true)	6m 29s
(ubuntu-latest, Py3.12, sk1.5.*, sk-only:false)	16m 21s
(windows-latest, Py3.12, sk1.5.*, sk-only:false)	10m 54s
docker	3s
	2h 28m 35s

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