Hi everyone,
The TreeViewFunctions.HeaderClick method works very well with r19, but since r20 not at all. I get an error message "SystemError: NULL object passed to Py_BuildValue".
I tested with Niklas's code (thanks to him ! ) :
https://gist.github.com/NiklasRosenstein/632e39a9b4dda391fe54
(Tested with r19-> ok, r20, r21, s22-> not ok )