Update app.py

app.py

@@ -3,17 +3,17 @@ import modal
 import time
 
 f = modal.Function.lookup("tutor_mixtral_1000", "Model.generate")
-user_input = ""
-history = ""
+chat_history = ""
 
 def echo(message, history):
     message = "Human: "+message+"\nAssistant: "
     answer = ""
     start = time.time()
-    for t in f.remote_gen(message):
+    for t in f.remote_gen(chat_history+message):
         print("Received answer after ", round(time.time()-start,3))
         answer += t
         yield answer
+    chat_history += message+answer+"\n"
 
 demo = gr.ChatInterface(fn=echo, title="Tutor Bot").queue()
 demo.launch()