update prints to log

backend/chat/models.py

@@ -1,5 +1,8 @@
 from django.db import models
 from account.models import User
+import logging
+
+logger = logging.getLogger(__name__)
 from product.models import ProductModel
 from django.conf import settings
 import openai
@@ -55,7 +58,7 @@ class ProductChatModel(models.Model):
                 self.thread = thread.id
 
             except Exception as e:
-                print(f'error in chat class: {e}')
+                logger.error(f'error in chat class: {e}')
                 raise ValueError(f"Error creating OpenAI thread: {e}")
 
         super().save(*args, **kwargs)