update UI

app.py

@@ -753,14 +753,14 @@ def chathmi4(message, history2):
     print("Input Message:", message)
     last_request = message
     history2 = history2 + [(message, None)]
-    # yield ["", history2, gr.update(visible = False), gr.update(visible = True)]
-    yield ["", history2, "SUBMIT", "STOP"]
+    yield ["", history2, gr.update(visible = False), gr.update(visible = True)]
+    # yield ["", history2, "SUBMIT", "STOP"]
     try:
         response = agent.run(message)
         time.sleep(0.1)
         history2 = history2 + [(None, response)]
-        # yield ["", history2, gr.update(visible = True), gr.update(visible = False)]
-        yield ["", history2, None, None]
+        yield ["", history2, gr.update(visible = True), gr.update(visible = False)]
+        # yield ["", history2, None, None]
         print ("response of chatbot:", response)
         # real_content = response[-1:]
         # print("real_content", real_content)
@@ -770,7 +770,7 @@ def chathmi4(message, history2):
             print("file_name:", file_name)
             history2 = history2 + [(None, (file_name,))]
             Filename_Chatbot = file_name
-            yield ["", history2, None, None]
+            yield ["", history2, "SUBMIT", "STOP"]
         except:
             print("No need to add file in chatbot")