docs(python): Fix inadvertent swap of `new` and `old` parameters in `… #14

Job	Run time
check-features	7m 6s
check-wasm	4m 51s
integration-test (ubuntu-latest)	1m 57s
integration-test (windows-latest)	3m 54s
test (ubuntu-latest)	4m 21s
test (windows-latest)	5m 34s
	27m 43s

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