[fix] pythonサンプルが実行できなかったので修正 #2267

Job	Run time
rust-lint	6m 5s
shellcheck	12s
actionlint	20s
validate-cargo-lock	38s
build-and-test-java-api (windows-latest)	7m 56s
build-and-test-python-api (windows-latest)	10m 42s
build-and-test-java-api (macos-latest)	5m 56s
build-unix-cpp-example (macos-latest, osx-x64-cpu-cpp-shared)	3m 16s
build-and-test-python-api (macos-latest)	5m 40s
build-and-test-java-api (ubuntu-latest)	4m 22s
build-unix-cpp-example (ubuntu-latest, linux-x64-cpu-cpp-shared)	1m 43s
build-and-test-python-api (ubuntu-latest)	2m 33s
build-windows-cpp-example	6m 9s
c-header	53s
rust-unit-test	9m 20s
rust-integration-test-strategy-matrix	2s
rust-integration-test (windows-2019, directml)	3m 17s
rust-integration-test (macos-11)	2m 36s
rust-integration-test (ubuntu-20.04)	1m 42s
	1h 13m 22s

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