fix: incorrect params, replace string

app.py

@@ -23,7 +23,7 @@ with gr.Blocks() as interface:
     with gr.Row():
         submit_btn = gr.Button("Run")
         submit_btn.click(fn=enhance_image, inputs=input_image, outputs=output_image)
-        clear_btn = gr.ClearButton(components=["input_image", "output_image"])
+        clear_btn = gr.ClearButton(components=[input_image, output_image])
         
     with gr.Row():
         gr.Examples(examples=examples, fn=enhance_image,inputs=input_image, outputs=output_image, cache_examples=True)