feat: pandasai openai llm

postgre_mcp_server.py

@@ -627,7 +627,11 @@ async def visualize_results(json_data: dict, vis_prompt: str) -> str:
     """
     try:
         # Debug prints to see what's being received
+        from pandasai_openai import OpenAI
 
+        pllm = OpenAI(api_token=os.environ["OPENAI_API_KEY"])
+        pai.config.set({"llm": pllm})
+        
         # Convert JSON to DataFrame
         df = pd.DataFrame(json_data["data"], columns=json_data["columns"])