if len(solutions) != 1:
is_single_choice = False
break
+ choices = element.xpath(".//*[@nazwa]")
+ uniq = set()
+ for n in choices: uniq.add(n.attrib['nazwa'])
+ if len(choices) != len(uniq):
+ is_single_choice = False
+ break
+
self.options = {'single': is_single_choice}
return pre, post