Update tools.py

tools.py

@@ -7,8 +7,7 @@ def scrape_tool():
     return ScrapeWebsiteTool()
 
 @tool("Today tool")
-def today_tool(text: str) -> str:
+def today_tool() -> str:
     """Returns today's date. Use this for any questions related to knowing today's date. 
-       The input should always be an empty string, and this function will always return today's date. 
        Any date mathematics should occur outside this function."""
     return str(date.today())