Update app.py

app.py

@@ -34,19 +34,19 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 @tool
-def does_file_exist(file_name: str) -> bool:
+def does_file_exist(file_name: str) -> str:
     """
     A tool that checks if a file exists in the current directory.
     Args:
         file_name: a string representing the file name to find.
 
     Returns:
-        bool: returns True if the file exists else returns False
+        str: returns True if the file exists else returns error message
     """
     try:
         from pathlib import Path
         file_path: Path = Path(f"./{file_name}")
-        return file_path.exists()
+        return f"Does the file {file_name} exists? {file_path.exists()}"
     except Exception as e:
         return f"Error finding the file {file_name}: {str(e)}"