message: Turn on strip_default_attrs by default during custom export.
diff: @@ -93,7 +93,9 @@ def make_custom_export_strategy(name,
  "w") as f:
  f.write("\n".join("%s, %f" % (k, v) for k, v in sorted_by_importance))
  return result_dir
  - return export_strategy.ExportStrategy(name, export_fn)
  +
  + return export_strategy.ExportStrategy(
  + name, export_fn, strip_default_attrs=True)
  def convert_to_universal_format(dtec, sorted_feature_names,
  