Update app.py

app.py

@@ -82,7 +82,7 @@ def stream_response(container, response: Generator) -> None:
                             if mode != "answering":
                                 if answer_placeholder is None:
                                     answer_placeholder = container.empty()
-                                    container.subheader("Réponse")
+                                    container.subheader("~•")
                                 mode = "answering"
                             answer_text += text
                             answer_placeholder.markdown(answer_text)