PyO3 released v0.21 which is incompatible with v0.20 used here. It means that it is impossible to compile a project which has both versions present. Because of that I can't test if this update breaks anything, but will do that after you release a new version.
PyO3 released v0.21 which is incompatible with v0.20 used here. It means that it is impossible to compile a project which has both versions present. Because of that I can't test if this update breaks anything, but will do that after you release a new version.