Update app.py

app.py

@@ -63,11 +63,11 @@ def respond(
     messages = []
     for val in history:
         if val[0]:
-            messages.append({"from": "human", "content": val[0]})
+            messages.append({"role": "user", "content": val[0]})
         if val[1]:
-            messages.append({"from": "gpt", "content": val[1]})
+            messages.append({"role": "assistant", "content": val[1]})
 
-    messages.append({"from": "human", "content": message})
+    messages.append({"role": "user", "content": message})
 
     response = ""