def scan(self, doc):
"""Scan document for new words."""
text = doc.get_text(*doc.get_bounds())
current_position = doc.get_iter_at_mark(doc.get_insert())
line = current_position.get_line()
self.completer = Completer()
self.completer.evalsource(text, line)
self.dictionary_words = ['teste1', 'teste2']
