Use ename+evalue if provided in lieu of traceback
Use ename+evalue if provided in lieu of traceback

captainsafia/jupyter-js-output-area,rgbkrk/jupyter-js-output-area,jupyter/jupyter-js-output-area,blink1073/jupyter-js-output-area,blink1073/jupyter-js-output-area,rgbkrk/jupyter-js-output-area,jupyter/jupyter-js-output-area,jupyter/jupyter-js-output-area,jupyter/jupyter-js-output-area,captainsafia/jupyter-js-output-area,jasongrout/jupyter-js-output-area,jasongrout/jupyter-js-output-area