Fix a bug that snuck in
Fix a bug that snuck in

primaryKey was being set to a blank array no matter what which was botching the parcoords

nteract/composition,rgbkrk/nteract,rgbkrk/nteract,jdfreder/nteract,nteract/nteract,nteract/nteract,nteract/nteract,jdfreder/nteract,nteract/nteract,jdfreder/nteract,rgbkrk/nteract,rgbkrk/nteract,nteract/nteract,jdfreder/nteract,rgbkrk/nteract,nteract/composition,nteract/composition