I am testing a document in Portuguese, but it doesn't exclude the stop words from the result even I already defined stop_words='portuguese'.  This is the document that I tested with [portuguese_doc.txt](https://github.com/TimSchopf/KeyphraseVectorizers/files/11796356/portuguese_doc.txt)
I am testing a document in Portuguese, but it doesn't exclude the stop words from the result even I already defined stop_words='portuguese'.
This is the document that I tested with
portuguese_doc.txt