Update app.py

app.py

@@ -50,7 +50,7 @@ demo = gr.Interface(
     # title = title,
     # description = description,
     # examples = examples,
-    fn=None,  # We'll add the function later after defining all functions
+    fn=inference,  # We'll add the function later after defining all functions
     inputs=[
         gr.Radio(["Yes", "No"], label="View GradCAM images?"),
         gr.Number(label="Number of GradCAM images to view", default=5, max=10),