Modifica la descrizione del tool per invertire le frasi

app.py

@@ -12,9 +12,7 @@ DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
 @tool
 def invert_sentence(sentence: str) -> str:
-    """
-    Inverts the order of all characters in a sentence.
-    """
+    """ Inverts the order of all characters in a sentence. """
     return sentence[::-1]
 
 # --- First Agent Definition ---