Remove unnecessary spawn in tokenizer, fix config with multiple paths… #284

Job	Run time
build-linux (x86_64)	6m 38s
tests (3.8, Check Python style, isort --check tests/python/ && isort --check python/ black --chec...	5m 15s
build-linux (x86)	12m 55s
info	1s
tests (3.8, Check Rust style, rustfmt --edition 2021 src/*.rs --check )	5m 2s
build-windows (x64)	7m 47s
build-linux (aarch64)	6m 12s
tests (3.8, Lint, flake8 tests/python/ && flake8 python/ )	5m 40s
build-linux (armv7)	6m 22s
tests (3.8, Type check, mypy tests/python/ && mypy python/ )	4m 32s
tests (3.8, Test, pytest -vs --color=yes tests/python/ )	7m 11s
build-windows (x86)	8m 36s
build-macos (x86_64)	1m 49s
sdist	17s
build-macos (aarch64)	4m 25s
Release	0s
	1h 22m 42s

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