ENH: Add guard for model launching #3928

Job	Run time
lint (ubuntu-latest, 3.10)	1m 1s
lint (ubuntu-latest, 3.10)	1m 1s
build_test_job (ubuntu-latest, 3.8, xinference)	27m 14s
build_test_job (ubuntu-latest, 3.8, xinference)	27m 14s
build_test_job (ubuntu-latest, 3.9, xinference)	27m 36s
build_test_job (ubuntu-latest, 3.9, xinference)	27m 36s
build_test_job (ubuntu-latest, 3.10, xinference)	26m 24s
build_test_job (ubuntu-latest, 3.10, xinference)	26m 24s
build_test_job (ubuntu-latest, 3.11, xinference)	25m 40s
build_test_job (ubuntu-latest, 3.11, xinference)	26m 47s
build_test_job (macos-12, 3.8, xinference)	1h 41m 55s
build_test_job (macos-12, 3.8, xinference)	1h 41m 55s
build_test_job (macos-12, 3.11, xinference)	1h 33m 1s
build_test_job (macos-12, 3.11, xinference)	1h 33m 1s
build_test_job (windows-latest, 3.8, xinference)	44m 13s
build_test_job (windows-latest, 3.8, xinference)	44m 37s
build_test_job (windows-latest, 3.11, xinference)	45m 50s
build_test_job (windows-latest, 3.11, xinference)	45m 50s
build_test_job (self-hosted, gpu, 3.9)	8m 35s
build_test_job (self-hosted, gpu, 3.9)	8m 35s
	13h 24m 29s

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