Update gaia_agent.py

gaia_agent.py

@@ -31,6 +31,7 @@ import chess
 import chess.engine
 # import tempfile
 # from PIL import Image
+from langchain.chat_models import ChatOpenAI
 
 
 
@@ -60,7 +61,11 @@ api_key = os.getenv("HF_TOKEN")
 #     huggingfacehub_api_token=api_key,
 #     timeout=300,
 # )
-llm = OpenAI(model="gpt-4o-mini", temperature=0.2, api_key=OpenAI_key)
+llm = ChatOpenAI(
+        model_name="gpt-4o-mini",  # use model_name instead of model
+        temperature=0.2,
+        openai_api_key=OpenAI_key
+    )
 
 # # Initialize local Ollama model
 # llm  Ollama(model="qwen2.5-coder", base_url="http://127.0.0.1:11434")