Update app.py

app.py

@@ -89,7 +89,7 @@ with gr.Blocks() as demo:
     # Creates the Gradio interface objects
     with gr.Row():
         with gr.Column(scale=2):
-            image_data = gr.Image(label="Upload Image", type="numpy")
+            image_data = gr.Image(label="Upload Image", type="numpy", image_mode="L")
         with gr.Column(scale=1):
             model_prediction = gr.Text(label="Model Prediction", interactive=False)
         image_data.change(classifyImage, image_data, model_prediction)