bash function for executing Jupyter notebook

je.sh

# jupyter execution
function je(){
    if [ $# = 2 ]
    then
        kernel=$2
    elif [ $# = 1 ] && [ -n $CONDA_DEFAULT_ENV ]
    then
        kernel=$CONDA_DEFAULT_ENV
    fi
    echo $1 $kernel
    jupyter nbconvert --ExecutePreprocessor.timeout=-1 --ExecutePreprocessor.kernel_name=$kernel --to notebook --execute $1
}