[ros2lifecycle] get --transitions raises an exception

[hidmic]

Bug report

Required Info:

• Operating System:
  • Ubuntu Bionic 18.04 (as in Nvidia OpenGL Docker image)
• Installation type:
  • Binary (debs)
• Version or commit hash:
  • Crystal pre-release.
• DDS implementation:
  • ADLink OpenSplice 6.9
• Client library (if applicable):
  • N/A

Steps to reproduce issue

Start a managed talker node:

ros2 run lifecycle lifecycle_talker

Now attempt to get the current lifecycle state plus possible transitions:

ros2 lifecycle get /lc_talker --transitions

Expected behavior

Current state is shown along with the possible transitions, as documented.

Actual behavior

It throws an AttributeError exception and no transition is listed.

Traceback (most recent call last):
  File "/opt/ros/crystal/bin/ros2", line 11, in <module>
    load_entry_point('ros2cli==0.6.1', 'console_scripts', 'ros2')()
  File "/opt/ros/crystal/lib/python3.6/site-packages/ros2cli/cli.py", line 69, in main
    rc = extension.main(parser=parser, args=args)
  File "/opt/ros/crystal/lib/python3.6/site-packages/ros2lifecycle/command/lifecycle.py", line 40
, in main
    return extension.main(args=args)
  File "/opt/ros/crystal/lib/python3.6/site-packages/ros2lifecycle/verb/get.py", line 93, in main
    .format_map(locals()))
AttributeError: 'TransitionDescription' object has no attribute 'label'

[sloretz]

Duplicate of #170 fixed by #174

[hidmic]

Argh! I checked opened ones, not closed ones. Thanks @sloretz !