<!-- **If your issue is a usage question, please submit it in one of these other channels instead:** - The Matplotlib community forum: https://discourse.matplotlib.org/ - StackOverflow with the Matplotlib tag: https://stackoverflow.com/questions/tagged/matplotlib The issue tracker is used only to report issues and feature requests. For questions, please use either of the above platforms. Most question issues are closed without an answer on this issue tracker. Thanks for your understanding. -->  Unlike the ticklabels of the mainline matplotlib, I don't along change the ticklabels in [artist](https://matplotlib.org/3.1.3/_modules/mpl_toolkits/axisartist/axis_artist.html)? Has anyone seen this kind of problem before?