Release of libvirt-python 5.7.0
Release of libvirt-python 5.7.0

Signed-off-by: Daniel Veillard <8c3f1b821d9adf233f787f1527ecaa1537ea24a2@redhat.com>

libvirt/libvirt-python,libvirt/libvirt-python,libvirt/libvirt-python