Update app.py

Copy and paste error

app.py

@@ -445,8 +445,8 @@ css = """
 text=grad.inputs.Textbox(placeholder="Lets chat")
 
 grad.Interface(fn=converse,
-             theme="default",
-             inputs=[text, "state"],
-             outputs=["html", "state"],
-             css=css).launch()
+               theme="default",
+               inputs=[text, "state"],
+               outputs=["html", "state"],
+               css=css).launch()