us-docker.pkg.dev/grpc-testing/testing-images-public/grpc_artifact_python_manylinux2014_x86:49c7d242fed1a39ec7fe70c4be38de0cf4cb3006@sha256:c8789d88510b51b24bfaa21a91f0d21a4a5269f800bafd2c6c9626d628e93a6a