fixed minor dependency issue

ros2/Yolo-World-Detection/dist_to_obj_ws/src/dist_to_obj_package/dist_to_obj_package/dist_to_obj_node.py

@@ -3,7 +3,7 @@
 import rclpy
 from rclpy.node import Node
 from rclpy.qos import qos_profile_sensor_data
-from .object_detection_submodule.object_detection import ObjectDetection
+from object_detection_submodule.object_detection import ObjectDetection
 import cv2
 import sys