Do you have libvirt-dev installed?
Eventually, I think, that is not supposed to be built, but it's expected to be symlinked. inside venv. However, this doesn't happen because of the wheel build, so that may be pretty valid issue.
Do you have libvirt-dev installed?
Eventually, I think, that is not supposed to be built, but it's expected to be symlinked. inside venv. However, this doesn't happen because of the wheel build, so that may be pretty valid issue.