Update classification.py

classification.py

@@ -171,7 +171,7 @@ def process_categories(categories, model):
 
 
 def match_categories(df, category_df, treshold=0.45):
-    categories_list, experts_list, topic_list, scores_list = [], [], []
+    categories_list, experts_list, topic_list, scores_list = [], [], [], []
     for topic in category_df['topic']:
         df[topic] = 0
     for index, ebd_content in enumerate(df['Embeddings']):