diff --git a/data-computer/v1/lda.py b/data-computer/v1/lda.py
index 478d62e..1611e05 100755
--- a/data-computer/v1/lda.py
+++ b/data-computer/v1/lda.py
@@ -123,14 +123,17 @@
             words_weights = []
             for word, word_weight in lda_model.show_topic(topic_id):
                 words.append(word) 
-                words_weights.append(words_weights)
+                words_weights.append(str(word_weight))
             topic_info[f"topic_{topic_id + 1}"]["words"] = words
             topic_info[f"topic_{topic_id + 1}"]["words_weights"] = words_weights
             topic_info[f"topic_{topic_id + 1}"]["topic_weight"] = str(topic_weight)
 
         line["value"]={}
         line["value"]["topics"]=topic_info
-        line["value"]["best_topic"]=max_topic(topic_info)
+        try:
+            line["value"]["best_topic"]=max_topic(topic_info)
+        except:
+            line["value"]["best_topic"]="n/a"
         sys.stdout.write(json.dumps(line))
         sys.stdout.write("\n")