Updated the known working combination of Pyblish packages to..
"pyblish-base==1.8.7",
"pyblish-houdini==1.0.1",
"pyblish-maya==2.1.7",
"pyblish-nuke==2.1.2",
"pyblish-lite==0.8.5",
"pyblish-qml==1.11.4",
See forum discussion for motivation and thoughts behind this release!