Update app.py

app.py

@@ -59,7 +59,7 @@ image_generation_tool = load_tool("agents-course/text-to-image", trust_remote_co
 def wolfram_alpha(query: str)-> str:
     """
     A wrapper arounf Wolfram Alpha, nn intelligent tool that answers questions about Math, Geography,
-    Demographics, Sports, Music, Science, Technology, Culture, Society
+    Demographics, American Sports and stadiums, Music, Science, Technology, Culture, Society
     and Everyday Life. Input should be a search query."    
     Args:
         query: The search query.
@@ -292,7 +292,7 @@ def stream_to_gradio(
 class GradioUI:
     """A one-line interface to launch your agent in Gradio"""
 
-    def __init__(self, file_upload_folder: str | None = "uploads"):
+    def __init__(self, file_upload_folder: str | None = None):
         
         self.file_upload_folder = file_upload_folder
         if self.file_upload_folder is not None: