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roslaunch tello_driver tello_node.launch BUT: File "/home/smile/code_demo/tello_catkin_ws/src/tello_driver/src/tello_driver_node.py", line 14, in <module> import av ImportError: No module named av #21
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In my case, installing av version 0.5.2 was worked. |
`smile@smile-Vostro-3400:~/code_demo/tello_catkin_ws$ roslaunch tello_driver tello_node.launch
... logging to /home/smile/.ros/log/59a006b8-e9f1-11ec-8906-a4423b77d657/roslaunch-smile-Vostro-3400-10061.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.
started roslaunch server http://smile-Vostro-3400:37971/
SUMMARY
PARAMETERS
NODES
/tello/
image_compressed (image_transport/republish)
tello (tello_driver/tello_driver_node.py)
auto-starting new master
process[master]: started with pid [10071]
ROS_MASTER_URI=http://localhost:11311
setting /run_id to 59a006b8-e9f1-11ec-8906-a4423b77d657
process[rosout-1]: started with pid [10082]
started core service [/rosout]
process[tello/tello-2]: started with pid [10086]
process[tello/image_compressed-3]: started with pid [10089]
terminate called after throwing an instance of 'pluginlib::LibraryLoadException'
what(): According to the loaded plugin descriptions the class image_transport/compressed_pub with base class type image_transport::PublisherPlugin does not exist. Declared types are image_transport/raw_pub
Traceback (most recent call last):
File "/home/smile/code_demo/tello_catkin_ws/src/tello_driver/src/tello_driver_node.py", line 14, in
import av
ImportError: No module named av
[tello/tello-2] process has died [pid 10086, exit code 1, cmd /home/smile/code_demo/tello_catkin_ws/src/tello_driver/src/tello_driver_node.py __name:=tello __log:=/home/smile/.ros/log/59a006b8-e9f1-11ec-8906-a4423b77d657/tello-tello-2.log].
log file: /home/smile/.ros/log/59a006b8-e9f1-11ec-8906-a4423b77d657/tello-tello-2*.log
[tello/image_compressed-3] process has died [pid 10089, exit code -6, cmd /opt/ros/melodic/lib/image_transport/republish raw in:=image_raw compressed out:=image_raw __name:=image_compressed __log:=/home/smile/.ros/log/59a006b8-e9f1-11ec-8906-a4423b77d657/tello-image_compressed-3.log].
log file: /home/smile/.ros/log/59a006b8-e9f1-11ec-8906-a4423b77d657/tello-image_compressed-3*.log
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