[minor][spark] Minor bugfixes #205

Job	Run time
Make sure submodule is in a sane state / Make sure submodule is in a sane state	29s
Code-quality checks / Run linting, formatting and static type checker	16s
Build a minimal set of packages and run all tests on them / Build an sdist and determine versions / Build sdist	1m 1s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp39-manylinux_aarch64	1m 0s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp314-macosx_arm64	48s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp39-manylinux_x86_64	1m 0s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp39-macosx_x86_64	1s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp314-manylinux_x86_64	1m 0s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp314-win_amd64	51s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp39-macosx_arm64	1s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp39-win_amd64	58s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp314-macosx_x86_64	1s
Build a minimal set of packages and run all tests on them / Build and test releases / Wheel: cp314-manylinux_aarch64	57s
Run coverage tests	0s
	8m 23s

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