message: Exclude tests from contrib_py
diff: @@ -9,7 +9,12 @@ load("//third_party/mpi:mpi.bzl", "if_mpi")
  py_library(
  name = "contrib_py",
  - srcs = glob(["**/*.py"]),
  + srcs = glob(
  + ["**/*.py"],
  + exclude = [
  + "**/*_test.py",
  + ],
  + ),
  srcs_version = "PY2AND3",
  visibility = ["//visibility:public"],
  deps = [
  