Get rid of max_results variable for web search

app.py

@@ -20,14 +20,13 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def web_search(search_query:str, max_results:int)-> str:
-    """A tool that does web search using a query and max number number of results
+def web_search(search_query:str)-> str:
+    """A tool that does web search using a query
     Args:
         search_query: a string for a search query
-        max_results: the maximum number of results to gather for the prompt
     """
     search_tool = DuckDuckGoSearchTool()
-    return search_tool(search_query, max_results=max_results)
+    return search_tool(search_query)
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: