Update app.py

app.py

@@ -53,9 +53,9 @@ class BasicAgent:
         )
 
         # Register Excel tool
-        read_excel = Tool.from_function(
-            func=read_excel_tool,
-            name="read_excel",
+        read_excel = Tool(
+            name="read_excel", 
+            func=read_excel_tool, 
             description="Reads Excel or CSV file and returns the first 10 rows as a string."
         )