The 2to3 program is implemented with the lib2to3 module which implements a parser of the Python language. Problem: this parser is unable to parse Python 3.10 grammar :-( This issue was already known ...
I have installed ros2 Humble on Ubuntu 22.04. However, despite having only python 3.11, I notice this specific lib is installed for Python 3.10 not 3.11. Overall, due to being new to ros and even more ...