Trying to get buttons to work

app.py

@@ -114,20 +114,18 @@ def segment_images(model_name,url_input,image_input,threshold):
 def set_example_image(example: list) -> dict:
     # return gr.Image.update(value=example[0])
     try:
-        print("here1")
-        print(example[0])
         return gr.Image(value=example[0]["path"])
     except error as e:
+        print("In function: set_example_image")
         print(e)
-        return gr.Image(example[0])
+        raise e
 
 def set_example_url(example: list) -> dict:
     # return gr.Textbox.update(value=example[0])
     try:
-        print("here2")
-        print(example[0])
         return gr.Image(value=example[0]["path"])
     except error as e:
+        print("In function: set_example_image")
         print(e)
         return gr.Image(example[0])
         
@@ -164,7 +162,7 @@ def changing():
     # https://discuss.huggingface.co/t/how-to-programmatically-enable-or-disable-components/52350/4
     # return gr.Button.update(interactive=True), gr.Button.update(interactive=True)
     # return gr.Button(interactive=True), gr.Button(interactive=True)
-    return gr.Button('Detect'), gr.Button('Detect')
+    return gr.Button('Detect', interactive=True), gr.Button('Detect', interactive=True)
 
 
 with demo: