fix bug in getTopFeatures.py

eda/test/getTopFeatures.py

@@ -88,7 +88,7 @@ class TopFeatures(object):
 			topn.sort(key=lambda x:x[4],reverse=True)
 			return topn[:int(self.top_n)]
 
-	def result2file(self, cid_type, result_lst, fpath):
+	def result2file(self, result_lst, fpath):
 		"""
 		cid_type : 'diary';'answer';'question';"everything"...   #方便显示
 		result_lst : [all_result,ios_result,android_result]