Update app.py

remove gradio state comment

app.py

@@ -94,11 +94,10 @@ def get_chat_response(name,history=[], input_txt = "Hello , what is your name?")
 
 def greet(character,message,history):
   
-  #gradios set_state/get_state had problems on embedded html!
   history = history or {"character": character, "message_history" : [] }
-  #gradios set_state/get_state does not persist session for now using global
-  #global history
-  
+
+  # Gradio 3 has states working in browser now.
+    
   if history["character"] != character:
     #switching character
     history = {"character": character, "message_history" : [] }