update

app.py

@@ -49,11 +49,15 @@ def predict(image):
     return predicted.item()
 
 
-input_component = gr.Sketchpad(type='pil')
-input_component.height = 280
-input_component.width = 280
-input_component.brush.default_color = 'white'
-gr.Interface(fn=predict,
-             inputs=input_component,
-             outputs="text",
-             live=True).launch()
+input_component = gr.Sketchpad(type='pil',
+                               height=280,
+                               width=280,
+                               layers=False,
+                               image_mode='L',
+                               brush=gr.Brush(default_color='auto', color_mode='defaults'))
+iface = gr.Interface(fn=predict,
+                     inputs=input_component,
+                     outputs="text",
+                     live=True,
+                     clear_btn=gr.ClearButton(visible=False))
+iface.launch()