BokehWidget creates json_path if it does not exist
BokehWidget creates json_path if it does not exist

ioam/holoviews,vascotenner/holoviews,basnijholt/holoviews,vascotenner/holoviews,basnijholt/holoviews,ioam/holoviews,basnijholt/holoviews,vascotenner/holoviews,ioam/holoviews