Traceback:
 Traceback (most recent call last):
   File "/usr/share/unity/lenses/cooking/unity-scope-recipefy", line 37, in on_search_changed
     self.update_results_model (search_string, model)
   File "/usr/share/unity/lenses/cooking/unity-scope-recipefy", line 43, in update_results_model
     self.recipefy(search, model)
   File "/usr/share/unity/lenses/cooking/unity-scope-recipefy", line 67, in recipefy
     time, _, difficulty = item.xpath("div/ul/li[@class='extra-time']/span/text()")[0].strip().partition("/")
 IndexError: list index out of range