this appears to break the tkinter extension for ubuntu bionic (18.04) -- I'm not entirely sure on the correct fix here but I get the following from trying to build there:
2022-04-02T15:52:08.0910452Z Python build finished successfully!
2022-04-02T15:52:08.0911924Z The necessary bits to build these optional modules were not found:
2022-04-02T15:52:08.0913469Z _tkinter
this is the tk I have available:
f0dd06a3e87c">root@f0dd06a3e87c:/# dpkg -l | grep libtk
ii libtk8.6:amd64 8.6.8-4 amd64 Tk toolkit for Tcl and X11 v8.6 - run-time files