Modify setup.sh fix wrong path in PYRUN_SPHINX_BUILD
Modify setup.sh fix wrong path in PYRUN_SPHINX_BUILD

ruimalheiro/installers,learningequality/installers,learningequality/ka-lite-installers,benjaoming/installers,mrpau/installers,MCGallaspy/installers,MCGallaspy/installers,benjaoming/installers,MCGallaspy/installers,learningequality/installers,learningequality/ka-lite-installers,ruimalheiro/installers,learningequality/ka-lite-installers,mrpau/installers,ruimalheiro/installers,mrpau/installers,learningequality/installers,mrpau/installers,learningequality/ka-lite-installers,benjaoming/installers,ruimalheiro/installers,learningequality/installers,benjaoming/installers,MCGallaspy/installers