Remove Tf2 time tutorials for Python (backport #4384) #4387
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* Small update for language in tf2 static transforms. * Small language fixups in tf2 broadcaster tutorials. * Small language updates in Writing a tf2 listener. * Small clarification in Add-a-frame tutorials. * Small updates to the Learning-about-tf2-and-time-cpp tutorial. * Remove the python tf2 tutorials. They have not worked for a very long time, and in point of fact with the current tf2_py code, they cannot work. Remove them until the time we actually fix the tf2_py code, at which point we can reintroduce them. Signed-off-by: Chris Lalancette <[email protected]> (cherry picked from commit cb0e0be)
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There are currently 4 tutorials having to do with time for tf2:
C++:
Python:
The C++ ones work fine, and have worked fine since approximately forever. This PR does some small cleanups in those tutorials, but otherwise leaves them alone.
The Python ones are a different story. Due to some bugs in
tf2_pyitself, those tutorials have never worked in ROS 2. The correct solution here would be to fix uptf2_pyto make them work, but that hasn't yet happened. Thus, I think it is better to remove those tutorials than to continue to provide them in a non-working state. So this PR does exactly that.It also has some other random small fixups throughout the tf2 tutorials.
Edit: this also "fixes" #3960 and #3080 and #2935 , by removing the offending tutorial completely.
This is an automatic backport of pull request #4384 done by Mergify.