Update app.py

app.py

@@ -9,13 +9,13 @@ from Gradio_UI import GradioUI
 
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
-def check_language_understanding(arg1: str)-> bool: #it's import to specify the return type
+def check_language_understanding(arg1: str)-> str: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
     """A tool that checks if it understands a specific language
     Args:
         arg1: the language
     """
-    return False
+    return f"I cannot understand {arg1} " 
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: