Update app.py

app.py

@@ -34,7 +34,10 @@ def InputText():
     InputText
 
 def sendMessage(message):
-    name = str(auth.user.value['userinfo']['name']).split(" ")[0]
+    if auth.user.value['userinfo']:
+        name = str(auth.user.value['userinfo']['name']).split(" ")[0]
+    else:
+        name = 'user'
     messages.set(messages.value+[{'user':name,'text':message}])
     prompt.value += f"[INST] {message} [/INST] \n"
     messages.set(messages.value+[{'user':'Assistant','text':''}])