Update app.py

app.py

@@ -16,7 +16,7 @@ def count_things(thing:str, amount:int)-> str: #it's import to specify the retur
         thing: the thing that there is
         amount: the amount of the thing
     """
-    return f"There are {amount} of {here} right now."
+    return f"There are {amount} of {thing} right now."
 
 @tool
 def get_current_time_in_timezone(timezone: str) -> str: