message: Enable do_pylint only and incremental
diff: @@ -111,10 +111,10 @@ do_pylint() {
  echo "Invalid syntax for invoking do_pylint"
  echo "Usage: do_pylint [--incremental]"
  return 1
  - fi
  -
  + else
  # Get all Python files, regardless of mode.
  PYTHON_SRC_FILES=$(get_py_files_to_check)
  + fi
  # Something happened. TF no longer has Python code if this branch is taken
  if [[ -z ${PYTHON_SRC_FILES} ]]; then
  @@ -667,6 +667,8 @@ for arg in "$@"; do
  SANITY_STEPS_DESC=("pep8 test")
  elif [[ "${arg}" == "--incremental" ]]; then
  INCREMENTAL_FLAG="--incremental"
  + elif [[ "${arg}" == "do_pylint" ]]; then
  + SANITY_STEPS=("do_pylint")
  else
  BAZEL_FLAGS="${BAZEL_FLAGS} ${arg}"
  fi
  