About the ROS2 Basics in 5 Days Humble (Python) category

Course Support ROS2 Basics in 5 Days Humble (Python)
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3.7 PlantDetector Import Issue

File “/home/user/ros2_ws/install/mars_rover_tasks/lib/python3.10/site-packages/mars_rover_tasks/plant_detector_node.py”, line 7, in
from mars_rover_tasks.plant_detector import PlantDetector # Import the AI class
ModuleNotFoundError: No module named ‘mars_rover_tasks.plant_detector’

Additionnaly, there is no folder “basic_ros2_extra_files” containing the model. Not sure if we should download the model from a certain path.