Update app.py

app.py

@@ -20,13 +20,10 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     return "What magic will you build ?"
 
 @tool
-def get_datetime_format(country_code: str) -> str:
-    """
-    Get the datetime format string for a specific country.
+def get_datetime_format(country_code:str)-> str:
+    """Get the datetime format string for a specific country.
     Args:    
         country_code: Two-letter country code (e.g., 'US', 'FR')
-    Returns:
-        Format string for the specified country
     """
     match country_code.upper():
         # European formats