message: Update the error message for missing output files in create_python_api.py.
diff: @@ -463,8 +463,9 @@ def create_api_files(output_files, packages, root_init_template, output_dir,
  raise ValueError(
  """Missing outputs for genrule:\n%s. Be sure to add these targets to
  tensorflow/python/tools/api/generator/api_init_files_v1.bzl and
  -tensorflow/python/tools/api/generator/api_init_files.bzl""" % ',\n'.join(
  - sorted(missing_output_files)))
  +tensorflow/python/tools/api/generator/api_init_files.bzl (tensorflow repo), or
  +tensorflow_estimator/python/estimator/api/api_gen.bzl (estimator repo)"""
  + % ',\n'.join(sorted(missing_output_files)))
  def main():
  