add hdf5 to mypy overrides

Author: wei-qlu

python/pyproject.toml

@@ -282,6 +282,10 @@ exclude = [
 
 # No official typing stubs for Python gRPC libraries yet.
 # https://github.com/grpc/grpc/issues/29041
+[[tool.mypy.overrides]]
+module = "h5py"
+ignore_missing_imports = true
+
 [[tool.mypy.overrides]]
 module = "grpc_testing"
 ignore_missing_imports = true