Error build Machine Learning packages

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Hi, im trying to follow these tutorial https://emanual.robotis.com/docs/en/p...

on step 1.1.4 i got this error,

cd ~/robotis_ws && colcon build --symlink-install
Starting >>> turtlebot3_dqn
/home/desk/.local/lib/python3.8/site-packages/setuptools/dist.py:642: UserWarning: Usage of dash-separated 'script-dir' will not be supported in future versions. Please use the underscore name 'script_dir' instead
  warnings.warn(
/home/desk/.local/lib/python3.8/site-packages/setuptools/dist.py:642: UserWarning: Usage of dash-separated 'install-scripts' will not be supported in future versions. Please use the underscore name 'install_scripts' instead
  warnings.warn(
--- stderr: turtlebot3_dqn                   
/home/desk/.local/lib/python3.8/site-packages/setuptools/dist.py:642: UserWarning: Usage of dash-separated 'script-dir' will not be supported in future versions. Please use the underscore name 'script_dir' instead
  warnings.warn(
/home/desk/.local/lib/python3.8/site-packages/setuptools/dist.py:642: UserWarning: Usage of dash-separated 'install-scripts' will not be supported in future versions. Please use the underscore name 'install_scripts' instead
  warnings.warn(
---
Finished <<< turtlebot3_dqn [4.90s]
Starting >>> turtlebot3_machine_learning
Finished <<< turtlebot3_machine_learning [6.89s]                   

Summary: 2 packages finished [12.2s]
1 package had stderr output: turtlebot3_dqn

im on Ubuntu 20.04.2 LTS

output for

env | grep ROS
ROS_VERSION=2
ROS_PYTHON_VERSION=3
ROS_DOMAIN_ID=30
ROS_LOCALHOST_ONLY=0
ROS_DISTRO=foxy

when i was building ros i had this problem https://github.com/ros-visualization/...