message: Explicitly mark Python binaries with python_version = PY3.
diff: @@ -70,6 +70,7 @@ py_binary(
  name = "capture_fuzz_gen",
  srcs = ["capture_fuzz_gen.py"],
  licenses = ["notice"], # Apache 2
  + python_version = "PY3",
  visibility = ["//visibility:public"],
  deps = [
  ":capture_fuzz_proto_py",
  