https://github.com/grpc/grpc/issues/12531 I imagine this mostly affects GCP connectors, but perhaps grpcio is used elsewhere? (I haven't checked)
Background is that I'm updating the minimum grpcio version to 1.12.1 ( https://github.com/grpc/grpc/releases/tag/v1.12.0).
smime.p7s
Description: S/MIME Cryptographic Signature