Update app.py

app.py

@@ -1,11 +1,6 @@
 import gradio as gr
 import time
 
-def change_visibility():
-    return {
-        textbox: gr.update(visible=True)
-    }
-
 def generate():
     text = "Hello, this is a demo without using streaming that emulates a model"
     results = ""
@@ -19,6 +14,12 @@ with gr.Blocks() as demo:
     btn = gr.Button("Generate")
     out = gr.Textbox(label="Generation", visible=False)
     btn.click(fn=generate, outputs=out)
+
+    def change_visibility():
+        return {
+            out: gr.update(visible=True)
+        }
+
     btn.click(fn=change_visibility, outputs=out)
 
 demo.launch(debug=True)