Err configuring openedx to use i18n with latin american spanish (es_419)

log_paver_i18n_robot_pull

....
Pulling translations for resource open-edx-releases.release-eucalyptus-js (source: conf/locale/en/LC_MESSAGES/djangojs.po)
 -> es_419: conf/locale/es_419/LC_MESSAGES/djangojs.po
Done.
---> pavelib.i18n.i18n_extract
---> pavelib.prereqs.install_prereqs
NO_PREREQ_INSTALL is set, not installing prereqs
---> pavelib.i18n.i18n_validate_gettext
/usr/bin/xgettext
---> pavelib.assets.compile_coffeescript
node_modules/.bin/coffee --compile `find /edx/app/edxapp/edx-platform/lms /edx/app/edxapp/edx-platform/cms /edx/app/edxapp/edx-platform/common -type f -name "*.coffee"`
i18n_tool extract
Traceback (most recent call last):
  File "/edx/app/edxapp/venvs/edxapp/bin/i18n_tool", line 9, in <module>
    load_entry_point('i18n-tools==0.3.2', 'console_scripts', 'i18n_tool')()
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/i18n/main.py", line 39, in main
    return module.main()
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/i18n/__init__.py", line 37, in __call__
    self.run(args)
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/i18n/extract.py", line 64, in run
    self.rename_source_file('django.po', 'django-saved.po')
  File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/i18n/extract.py", line 52, in rename_source_file
    os.rename(self.source_msgs_dir.joinpath(src), self.source_msgs_dir.joinpath(dst))
OSError: [Errno 2] No such file or directory


Captured Task Output:
---------------------

---> pavelib.i18n.i18n_robot_pull
---> pavelib.i18n.i18n_clean
git clean -fdX conf/locale
---> pavelib.i18n.i18n_transifex_pull
---> pavelib.i18n.i18n_validate_transifex_config
i18n_tool transifex pull
---> pavelib.i18n.i18n_extract
---> pavelib.prereqs.install_prereqs
---> pavelib.i18n.i18n_validate_gettext
---> pavelib.assets.compile_coffeescript
node_modules/.bin/coffee --compile `find /edx/app/edxapp/edx-platform/lms /edx/app/edxapp/edx-platform/cms /edx/app/edxapp/edx-platform/common -type f -name "*.coffee"`
i18n_tool extract

Build failed running pavelib.i18n.i18n_robot_pull: Subprocess return code: 1