pyqt based rqt app stuck in jetson based ros2.

[ZhenshengLee]

jetpack: 4.5.1
ros: galactic
other ros: melodic and dashing

[ZhenshengLee]

pyqt version confliction.

according to this wiki , pyqt5.14 should be installed.
https://github.com/MiRoboticsLab/cyberdog_ros2/wiki/%E4%BB%8E%E6%BA%90%E7%A0%81%E5%AE%89%E8%A3%85ROS-2-%7C-Building-ROS-2-from-source#2%E6%9B%B4%E6%96%B0ubuntu%E6%BA%90

python3 -m pip install sip
python3 -m pip install PyQt5==5.14.0   (必须5.14版本)
python3 -m pip install PyQt5-sip

# For Ubuntu 18.04
sudo mkdir /usr/share/sip
sudo ln -s ~/.local/lib/python3.6/site-packages/PyQt5 /usr/share/sip/. 
sudo ln -s ~/.local/lib/python3.6/site-packages/PyQt5/bindings/* /usr/share/sip/PyQt5/.

# For Ubuntu 20.04
sudo mkdir /usr/share/sip
sudo ln -s ~/.local/lib/python3.8/site-packages/PyQt5 /usr/share/sip/. 
sudo ln -s ~/.local/lib/python3.8/site-packages/PyQt5/bindings/* /usr/share/sip/PyQt5/.

but when ros-melodic and ros-dashing was installed, pyqt5.10.1 was installed

nvidia@nvidia-desktop:~/zs_ws/Downloads/ros2_jetson$ dpkg -l | grep -E -i python3-pyqt
ii  python3-pyqt5                                      5.10.1+dfsg-1ubuntu2                       arm64        Python 3 bindings for Qt5

[ZhenshengLee]

try to change the branch of source code of rqt from galactic to dashing?