Update app.py

app.py

@@ -70,7 +70,7 @@ def get_conversation_chain(vectorstore, model_name):
                                                                #condense_question_prompt=CONDENSE_QUESTION_PROMPT,
                                                                retriever=vectorstore.as_retriever(),
                                                                memory=memory,
-                                                               return_source_documents=True)
+                                                               return_source_documents=True
                                                               )
     
     return conversation_chain