add last_request

app.py

@@ -65,6 +65,8 @@ global memory
 memory = ConversationBufferMemory(memory_key="chat_history")
 global memory_openai
 memory_openai = ConversationBufferWindowMemory(memory_key="memory", return_messages=True)
+global last_request
+last_request = ""
 
 # Custom document loaders
 class MyElmLoader(UnstructuredEmailLoader):
@@ -633,7 +635,9 @@ def LinkElement(chatbot_history):
         pass
 
 def chathmi3(message, history):
+    global last_request
     print("Input Message:", message)
+    last_request = message
     history = history + [(message, None)]
     yield ["", history]
     try:
@@ -674,7 +678,8 @@ def clearall():
     return []
 
 def retry(chatbot_history):
-    last_request = chatbot_history[-1:][0]
+    global last_request
+    print("last_request", last_request)
     yield chathmi3(last_request, chatbot_history)
 
 with gr.Blocks() as demo: