Anki add-on: Improved Quizlet to Anki Importer .. Ported to 21

I just run 2to3, https://github.com/rferrazz/pyqt4topyqt5 and add the new Folder structure, it my fist play with anki addons... the rest is equal to https://ankiweb.net/shared/info/590899480

GitHub repository: rferrazz/pyqt4topyqt5
Repository description: pyqt4 -> pyqt5
Languages: Python