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roslaunch hebi_gazebo arm_simulation.launch arm_type:=A-2085-06
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Traceback (most recent call last):
File "/home/schuler/catkin_ws/src/hebi_description/scripts/urdf_generator.py", line 10, in <module>
from lxml import etree as ET
ModuleNotFoundError: No module named 'lxml'
RLException: Invalid <param> tag: Cannot load command parameter [robot_description]: command [['/home/schuler/catkin_ws/src/hebi_description/scripts/hrdf_convert', '/home/schuler/catkin_ws/src/hebi_cpp_api_examples/config/A-2085-06_params.yaml']] returned with code [255].
Param xml is <param command="$(find hebi_description)/scripts/hrdf_convert $(arg config_file)" name="robot_description"/>
The traceback for the exception was written to the log file