Sphinx parallel build error:
AttributeError: 'BuildEnvironment' object has no attribute 'note_versionchange'
Makefile:43: recipe for target 'build' failed
make[1]: *** [build] Error 2
make[1]: Leaving directory '/tmp/cpython/Doc'
Makefile:30: recipe for target 'all' failed
make: *** [all] Error 2
The command "make CPYTHON_CLONE=/tmp/cpython/ COMMIT=15e7d2432294ec46f1ad84ce958fdeb9d4ca78b1" exited with 2.
Done. Your build exited with 1.