Fix depwarn #29

Job	Run time
Tests (1, abstracttensor, ubuntu-latest) / Tests - abstracttensor	5m 54s
Tests (1, linalg, macOS-latest) / Tests - linalg	4m 56s
Tests (1, abstracttensor, macOS-latest) / Tests - abstracttensor	3m 8s
Tests (1, abstracttensor, windows-latest) / Tests - abstracttensor	6m 15s
Tests (1, linalg, ubuntu-latest) / Tests - linalg	8m 30s
Tests (1, linalg, windows-latest) / Tests - linalg	9m 7s
Tests (1, vectorspaces, macOS-latest) / Tests - vectorspaces	40s
Tests (1, vectorspaces, ubuntu-latest) / Tests - vectorspaces	58s
Tests (1, vectorspaces, windows-latest) / Tests - vectorspaces	1m 24s
Tests (lts, abstracttensor, macOS-latest) / Tests - abstracttensor	2m 9s
Tests (lts, abstracttensor, ubuntu-latest) / Tests - abstracttensor	3m 1s
Tests (lts, abstracttensor, windows-latest) / Tests - abstracttensor	3m 32s
Tests (lts, linalg, macOS-latest) / Tests - linalg	4m 3s
Tests (lts, linalg, ubuntu-latest) / Tests - linalg	5m 23s
Tests (lts, linalg, windows-latest) / Tests - linalg	5m 46s
Tests (lts, vectorspaces, macOS-latest) / Tests - vectorspaces	47s
Tests (lts, vectorspaces, ubuntu-latest) / Tests - vectorspaces	37s
Tests (lts, vectorspaces, windows-latest) / Tests - vectorspaces	1m 10s
	1h 7m 20s

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