us-docker.pkg.dev/grpc-testing/testing-images-public/grpc_artifact_python_linux_armv7:0b87638ab97b433c6818be5124dcd89d479b3a8b@sha256:f109d6c22cadb053f6843a66ee827d74f34d6cbf75a32f455a9da099ed1bdc9c