fix: Add break point for not enough words topics

app.py

@@ -168,7 +168,7 @@ def generate_plot(
                 try:
                     most_descriptive = cluster_to_words_similarities.pop(0)
                 except IndexError:
-                    continue
+                    break
                 cluster_keyword[label].append(cluster_words[most_descriptive[0]])
             cluster_keyword[label] = ', '.join(cluster_keyword[label])
         encoded_labels_keywords = [cluster_keyword[encoded_label] for encoded_label in encoded_labels]