Update gmixai.py

gmixai.py

@@ -7,7 +7,7 @@ from crewai.agents.cache import CacheHandler
 from crewai.tools.agent_tools import AgentTools
 from typing import Any, List, Optional
 from langchain.agents.format_scratchpad import format_log_to_str
-from langchain.chat_models import ChatOpenAI
+from langchain_openai import ChatOpenAI
 from langchain.memory import ConversationSummaryMemory
 from langchain.tools.render import render_text_description
 from langchain_core.runnables.config import RunnableConfig