Update calendar_rag.py

calendar_rag.py

@@ -29,7 +29,7 @@ logger = logging.getLogger(__name__)
 class OpenAIDateParser:
     """Uses OpenAI to parse complex Thai date formats"""
     
-    def __init__(self, api_key: str, model: str = "gpt-4"):
+    def __init__(self, api_key: str, model: str = "gpt-4o"):
         self.generator = OpenAIGenerator(
             api_key=Secret.from_token(api_key),
             model=model