Small refactors of VectorField and pragma comments #499

Job	Run time
mypy	2m 32s
py3.13 \| macos \| integration tests	2m 31s
py3.13 \| macos \| unit tests	2m 29s
py3.13 \| ubuntu \| unit tests	2m 29s
py3.13 \| ubuntu \| integration tests	2m 31s
py3.13 \| windows \| integration tests	2m 13s
py3.13 \| windows \| unit tests	2m 14s
py3.10 \| ubuntu \| unit tests	2m 20s
py3.10 \| ubuntu \| integration tests	2m 29s
py3.11 \| ubuntu \| unit tests	2m 29s
py3.12 \| ubuntu \| unit tests	2m 28s
merge-test-artifacts	1s
	26m 46s

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