Update main.py

main.py

@@ -415,7 +415,7 @@ def generate_story_endpoint():
                         logging.info(f"base64 data: {base64_data}")
                         chart_bytes = base64.b64decode(chart_bytes)
                         image_obj = Image.open(io.BytesIO(chart_bytes))
-                        logging.info(f"Image: {image_obj})
+                        logging.info(f"Image: {image_obj}")
                 except Exception as e:
                     logging.error(f"error {e}, DataFrame chart generation error")
                     print("DataFrame chart generation error:", e)