us-docker.pkg.dev/grpc-testing/testing-images-public/python_bullseye_x86:f4c57dce9d3d95f2062555abdc6b0fc9df86f6d9@sha256:81300aed2bb5e6b3f9bf9f23ba751e884e0317a9cd79659d37cdef4f1cfd24ca