imports

launch/ros2_video_streamer_node_launch.py

@@ -1,10 +1,11 @@
 from typing import Any, Dict, Tuple
 
+from launch_ros.actions import Node
+
 from launch.actions import DeclareLaunchArgument, OpaqueFunction
 from launch.launch_context import LaunchContext
 from launch.launch_description import LaunchDescription
 from launch.substitutions import LaunchConfiguration
-from launch_ros.actions import Node
 
 
 def generate_launch_description() -> LaunchDescription:

launch/three_camera_launch.py

@@ -1,7 +1,8 @@
 import os
 
-import launch
 from ament_index_python.packages import get_package_share_directory
+
+import launch
 from launch.actions import IncludeLaunchDescription
 from launch.launch_description_sources import PythonLaunchDescriptionSource
 

ros2_video_streamer/ros2_video_streamer_node.py

@@ -5,7 +5,6 @@
 from ament_index_python.packages import get_package_share_directory
 from builtin_interfaces.msg import Time
 from cv2 import VideoCapture
-from cv2.typing import MatLike
 from cv_bridge import CvBridge
 from rclpy.node import Node
 from rclpy.qos import QoSPresetProfiles
@@ -166,7 +165,7 @@ def image_callback(self) -> None:
 
         self.image_publisher_.publish(img_msg)
 
-    def get_image_msg(self, image: MatLike, time: Time) -> Image:
+    def get_image_msg(self, image, time: Time) -> Image:
         """
         Convert cv2 image to ROS2 Image with CvBridge cv2 -> image msg.
 

setup.py

@@ -1,5 +1,5 @@
-import os
 from glob import glob
+import os
 
 from setuptools import find_packages, setup