Update app.py

app.py

@@ -39,7 +39,7 @@ with gr.Blocks() as demo:
     with gr.Row():
         with gr.Column():
             # Create a sketchpad for drawing
-            canvas = gr.Sketchpad(label="Draw Here", tool="brush", brush_color="black")  
+            canvas = gr.Sketchpad(label="Draw Here", brush_color="black")  
             clear_btn = gr.Button("Clear")
             generate_btn = gr.Button("Generate Image")