fixed the case if there is no evaluation
fixed the case if there is no evaluation

TheMangalex/pyfeedback,TheMangalex/pyfeedback,d120/pyfeedback,d120/pyfeedback,TheMangalex/pyfeedback,d120/pyfeedback,d120/pyfeedback,TheMangalex/pyfeedback,TheMangalex/pyfeedback