don't use entrypoint in notebook dockerfile (#7490)
don't use entrypoint in notebook dockerfile (#7490)


danking/hail,cseed/hail,cseed/hail,danking/hail,danking/hail,cseed/hail,hail-is/hail,cseed/hail,cseed/hail,danking/hail,cseed/hail,cseed/hail,hail-is/hail,danking/hail,hail-is/hail,cseed/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,hail-is/hail,danking/hail,hail-is/hail,danking/hail