human
Solve the following python programming problem given the following code:
@ staticmethod 
def build_essay_property(essay_index, essay_name) : 
    essay_xpb = xpb.div (id = 'essay_{0}'.format (essay_index)) 
    essay_text_xpb = essay_xpb.div.with_class ('text').div.with_class ('essay') 
    @ property 
    def essay(self) : 
        try : 
            essay_text = essay_text_xpb.get_text_ (self._essays).strip () 
except IndexError : 
            return None 
if (essay_name not in self._short_name_to_title) : 
            self._short_name_to_title [essay_name] = helpers.replace_chars (essay_xpb.a.with_class ('essay_title').get_text_ (self._profile.profile_tree)) 
return essay_text 
@ essay.setter 
    def set_essay_text(self, essay_text) : 
        self._submit_essay (essay_index, essay_text) 
return essay 

    
    

    Fix the buggy line: return essay
assistant
#Here is Python program to fix the buggy line: return essay
.

return def set_essay_text(