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Description
Describe the bug
Robot's get_link_names throws exception for group with one link
To Reproduce
Steps to reproduce the behavior:
- Load the ur5 demo robot.
- Run the following code:
try:
# If testing with the released versions of compas_fab up to 1.0.2, this code will run
from compas_fab.robots.ur5 import Robot
robot = Robot()
except:
# if testing with the main branch (unreleased), this one will do instead
from compas_fab.robots import RobotLibrary
robot = RobotLibrary.ur5()
names = robot.get_link_names(group="endeffector")
print(names)
Expected behavior
names should equal ['ee_link']
Actual behavior
Exception is thrown "Exception: No chain found between the specified element"