Update app.py

app.py

@@ -247,8 +247,12 @@ def extract_problem_domains(df,
     # Get representative words for each cluster
     cluster_representations = {}
     for topic in range(len(topic_model.get_topic_info())):
-        words, _ = zip(*topic_model.get_topic(topic))
-        cluster_representations[topic] = list(words)[:top_words]
+        topic_words = topic_model.get_topic(topic)
+        if isinstance(topic_words, list) and len(topic_words) > 0 and isinstance(topic_words[0], tuple):
+            words = [word for word, _ in topic_words[:top_words]]
+        else:
+            words = []
+        cluster_representations[topic] = words
     
     # Map cluster labels to representative words
     df["Problem_Cluster"] = topics
@@ -317,7 +321,9 @@ def process_excel(file):
         
     except Exception as e:
         # return str(e)  # Return the error message
-        return f"Error: {str(e)}"
+        error_message = f"Error processing file: {str(e)}"
+        print(error_message)  # Log the error
+        return error_message  # Return the error message to the user