Update app.py

app.py

@@ -275,8 +275,8 @@ def extract_problem_domains(df,
                             # text_column='Problem_Description',
                             cluster_range=(5, 15), 
                             top_words=10,
-                            method='sentence_transformers'
-                            # method='tfidf_kmeans'
+                            # method='sentence_transformers'
+                            method='tfidf_kmeans'
                            ):