[FIX] do not initialize kernel object #1195

Job	Run time
Determine if CI should be skipped	4s
Unit tests with minimum dependency versions (ubuntu-latest, 3.8)	42m 5s
Corrector performance tests (ubuntu-latest, 3.8)	31m 33s
Unit tests (ubuntu-latest, 3.8)	43m 29s
CBMR ImportError tests (ubuntu-latest, 3.8)	1m 0s
Unit tests (ubuntu-latest, 3.9)	43m 3s
Estimator performance tests (ubuntu-latest, 3.8)	6m 49s
Unit tests (ubuntu-latest, 3.10)	42m 56s
Smoke performance tests (ubuntu-latest, 3.8)	21m 31s
Unit tests (ubuntu-latest, 3.11)	46m 58s
Unit tests (ubuntu-latest, 3.12)	48m 27s
Unit tests (macos-latest, 3.8)	51m 36s
Unit tests (macos-latest, 3.9)	28m 55s
Unit tests (macos-latest, 3.10)	28m 2s
Unit tests (macos-latest, 3.11)	26m 51s
Unit tests (macos-latest, 3.12)	27m 36s
Upload coverage	12s
	8h 11m 7s

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