Update kernel.sh

jupyter-jsc/kernel.sh

 #!/bin/bash
-SOURCE_PATH=`dirname ${BASH_SOURCE}`
+#SOURCE_PATH=`dirname ${BASH_SOURCE}`
+SOURCE_PATH="$(dirname "${BASH_SOURCE[0]:-${(%):-%x}}")"
 module purge
 module load Singularity-Tools
 exec singularity run ${SOURCE_PATH}/../singularity_docker_jupyter.sif python3 -m ipykernel "$@"