remove 'Read json' button

app.py

@@ -113,7 +113,6 @@ with gr.Blocks(css="""button { min-width: 80px; }""") as demo:
 """)
         json = gr.JSON(label="Json")
         jsonSource = gr.Textbox(label="Json source", lines=10)
-        jsonReadBtn = gr.Button(value="Read")
       with gr.Accordion(label="Notes", open=False):
         gr.Markdown("""
 Points to note for pseudo-3D rotation: When performing pseudo-3D rotation on the X and Y axes, the projection is converted to 2D and Z-axis information is lost when the mouse button is released. This means that if you finish dragging while the shape is collapsed, you may not be able to restore it to its original state. In such a case, please use the "undo" function.
@@ -168,7 +167,7 @@ When using Q, X, C, R, pressing and dont release until the operation is complete
     fn = None,
     inputs = [], outputs = [json],
     _js="() => { return [savePose()]; }")
-  jsonReadBtn.click(
+  jsonSource.change(
     fn = lambda x: x,
     inputs = [jsonSource], outputs = [json])
   replaceWithJsonBtn.click(