Update app.py

app.py

@@ -80,11 +80,11 @@ def call_generate_text(message, history):
     messages = history+[{"role":"user","content":message}]
     try:
         text = generate_text(messages)
-        return text
+        return text,history
     except RuntimeError  as e:
         print(f"An unexpected error occurred: {e}")
        
-    return ""
+    return "",history
 
 
 with gr.Blocks() as demo: