change agent type

app.py

@@ -369,7 +369,7 @@ Text To Sound: Useful when you need to convert text into sound file."""
 
 PREFIX = """Answer the following questions as best you can with details. You must always check internal vector database first and try to answer the question based on the information in internal vector database only.
 Only when there is no information available from vector database, you can search information by using other tools.
-You can always use other tools to convert text to sound.
+You can always use tools to convert text to sound.
 You have access to the following tools:"""
 
 FORMAT_INSTRUCTIONS = """Use the following format:
@@ -388,7 +388,8 @@ Question: {input}
 Thought:{agent_scratchpad}"""
 
 agent = initialize_agent(tools, llm, 
-                         agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
+                        #  agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
+                         agent=AgentType.STRUCTURED_CHAT_ZERO_SHOT_REACT_DESCRIPTION,
                          verbose = True,
                          handle_parsing_errors = True,
                          max_iterations = int(os.getenv("max_iterations")),