Update app.py

app.py

@@ -64,7 +64,8 @@ def stream_chat(message, history: list, temperature: float, max_new_tokens: int)
             for prompt, answer in history:
                 if answer is None:
                     conversation.extend([{"role": "user", "content":"<|image_1|>"},{"role": "assistant", "content": ""}])
-                conversation.extend([{"role": "user", "content": prompt}, {"role": "assistant", "content": answer}])
+                else:
+                    conversation.extend([{"role": "user", "content": prompt}, {"role": "assistant", "content": answer}])
             conversation.append({"role": "user", "content": message['text']})    
     print(f"Conversation is -\n{conversation}")
     inputs = processor.tokenizer.apply_chat_template(conversation, tokenize=False, add_generation_prompt=True)