Update app.py

app.py

@@ -356,13 +356,17 @@ generic_chat_llm.callbacks = [my_callback_handler]
 # Initialize
 agent = initialize_agent(
     [retrieve_answer_for_country, compare], # tools
-    #[retrieve_answer_for_country, generic_chat_llm, compare],
+    # uncomment below if want to enable general chat option also, if user engages bot with casual talk
+    # however user should be advised not to do this
+    # [generic_chat_llm, retrieve_answer_for_country, compare],
     llm=llm,
     agent="zero-shot-react-description", # this is good
     verbose=False,
     handle_parsing_errors=True,
     return_intermediate_steps=True,
     callbacks=[my_callback_handler]
+    # no memories, limited RAM in HuggingFaceSpaces
+    # in production mode conversation can be stored for separate users/chat sessions in postgresql database
     # memory=ConversationBufferMemory(
     #             memory_key="chat_history", return_messages=True
     # ),