Fix example reloading issue

app.py

@@ -166,7 +166,7 @@ def load_example_document(img, question, model):
         preview, answer, answer_text = process_question(question, document, model)
         return document, question, preview, gr.update(visible=True), answer, answer_text
     else:
-        return None, None, None, gr.update(visible=False), None
+        return None, None, None, gr.update(visible=False), None, None
 
 
 CSS = """
@@ -352,9 +352,9 @@ with gr.Blocks(css=CSS) as demo:
         lambda _: (
             gr.update(visible=False, value=None),
             None,
-            None,
             gr.update(visible=False, value=None),
             gr.update(visible=False, value=None),
+            gr.update(visible=False),
             None,
             None,
             None,
@@ -364,9 +364,9 @@ with gr.Blocks(css=CSS) as demo:
         outputs=[
             image,
             document,
-            question,
             output,
             output_text,
+            img_clear_button,
             example_image,
             upload,
             url,