Lesson 10: WikiExtractor outputs 1 when processing Turkish and Vietnamese files

[jcatanza]

WikiExtractor throws error 1 when processing the viwiki-latest-pages-articles.xml file extracted from the viwiki-latest-pages-articles.xml.bz2 file.

Same error occurs with the trwiki-latest-pages-articles.xml file extracted from the trwiki-latest-pages-articles.xml.bz2 file.