Update app.py

app.py

@@ -122,6 +122,7 @@ def main():
             agent=AgentType.ZERO_SHOT_REACT_DESCRIPTION,
                     tools=[human_ask_tool,db_search_tool,google_searchtool]
                     if mode == "Agent with AskHuman tool"
+                    else tools = [human_ask_tool,db_search_tool,google_searchtool]
             llm=llm,
             verbose=True,
             max_iterations=5,