Update app.py

app.py

@@ -27,6 +27,7 @@ with gr.Blocks() as app:
                             
                     with gr.Row():
                         with gr.Column():
+                            sender=gr.Textbox(label = "Sender", interactive = False)
                             rec=gr.Dropdown(label="Recipient", choices=[f for f in rec_list], allow_custom_value=True)
                             send_mes=gr.Textbox(label="Message", lines=6)
                             send_mes_btn=gr.Button()
@@ -61,7 +62,7 @@ with gr.Blocks() as app:
     def test_fn(im):
         return (im)
     
-    input_key.change(crypt.address,input_key,None)
+    input_key.change(crypt.address,input_key,sender)
     
     pass_btn.click(checkp,pass_box,[invalid,valida])