Update app.py

app.py

@@ -10,7 +10,7 @@ from tools.web_search import DuckDuckGoSearchTool
 from Gradio_UI import GradioUI
 
 @tool
-def get_top_keywods_by_city(city: str, time: int)-> str[]:
+def get_top_keywods_by_city(city: str, time: int)-> [str]:
     """A tool that returns a list with top 5 most popular things to do based on the city 
     Args:
         city: A string representing a city