Update app.py

app.py

@@ -16,14 +16,15 @@ def respond(message, history):
 
     response = ""
     for message in client.chat_completion(
-        messages, max_tokens = 100, stream=True,
+        messages, max_tokens = 100, stream=True
         #temperature= .1, top_p= 0.7)
         # max tokens = change the length of the response 
         # temp = between 0-2
         # top-p =  between 0-1
     ):
         token = messages.choices[0].delta.content
-        response += token
+        if token:
+            response += token
         yield response
 
 def random_message(message, history):