added launch code and also updated style warning code

app.py

@@ -34,6 +34,12 @@ def inference(input_img, transparency = 0.5, target_layer_number = -1):
     visualization = show_cam_on_image(org_img/255, grayscale_cam, use_rgb=True, image_weight=transparency)
     return confidences, visualization
 
+# Define the style for the output image (width and height)
+output_image_style = gr.Interface.Style(
+    width=128,  # Set the width of the output image
+    height=128  # Set the height of the output image
+)
+
 title = "CIFAR10 trained on ResNet18 Model with GradCAM"
 description = "A simple Gradio interface to infer on ResNet model, and get GradCAM results"
 examples = [["cat.png", 0.5, -1],["dog.png", 0.5, -1]]
@@ -41,8 +47,10 @@ examples = [["cat.png", 0.5, -1],["dog.png", 0.5, -1]]
 demo = gr.Interface(
     inference, 
     inputs = [gr.Image(shape=(32, 32), label="Input Image"), gr.Slider(0, 1, value = 0.5, label="Opacity of GradCAM"), gr.Slider(-2, -1, value = -2, step=1, label="Which Layer?")], 
-    outputs = [gr.Label(num_top_classes=3), gr.Image(shape=(32, 32), label="Output").style(width=128, height=128)],
+    outputs = [gr.Label(num_top_classes=3), gr.Image(shape=(32, 32), label="Output", style=output_image_style)],
     title = title,
     description = description,
     examples = examples,
 )
+
+demo.launch()