[+] /home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/py-jupyter-console-5.0.0-dm2s57qafex64yne4tbqm4rbsqsza2im
==> Fetching https://github.com/jupyter/notebook/archive/4.2.3.tar.gz
######################################################################## 100.0%
==> Staging archive: /home/certik/repos/spack/var/spack/stage/py-jupyter-notebook-4.2.3-rkbpngcvfiepja6w64zxwovymjw5ms4j/4.2.3.tar.gz
==> Created stage in /home/certik/repos/spack/var/spack/stage/py-jupyter-notebook-4.2.3-rkbpngcvfiepja6w64zxwovymjw5ms4j
==> No patches needed for py-jupyter-notebook
==> Building py-jupyter-notebook [PythonPackage]
==> Executing phase : 'build'
==> Error: ProcessError: Command exited with status 1:
    '/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/bin/python' 'setup.py' '--no-user-cfg' 'build'
/home/certik/repos/spack/lib/spack/spack/build_systems/python.py:110, in python:
     109      def python(self, *args):
  >> 110          inspect.getmodule(self).python(*args)

See build log for details:
  /home/certik/tmp/spack-stage/spack-stage-s7SfUD/notebook-4.2.3/spack-build.out

$ cat /home/certik/tmp/spack-stage/spack-stage-s7SfUD/notebook-4.2.3/spack-build.out
==> '/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/bin/python' 'setup.py' '--no-user-cfg' 'build'
running build
running build_py
running jsversion
running css
running jsdeps
installing build dependencies with npm
> npm install
/usr/bin/env: ‘node’: No such file or directory
rebuilding js and css failed. The following required files are missing: ['notebook/static/components', 'notebook/static/notebook/js/main.min.js', 'notebook/static/tree/js/main.min.js', 'notebook/static/edit/js/main.min.js', 'notebook/static/terminal/js/main.min.js', 'notebook/static/auth/js/main.min.js', 'notebook/static/style/ipython.min.css', 'notebook/static/style/style.min.css']
Traceback (most recent call last):
  File "setup.py", line 198, in <module>
    main()
  File "setup.py", line 195, in main
    setup(**setup_args)
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/core.py", line 151, in setup
    dist.run_commands()
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/dist.py", line 953, in run_commands
    self.run_command(cmd)
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/command/build.py", line 127, in run
    self.run_command(cmd_name)
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/cmd.py", line 326, in run_command
    self.distribution.run_command(command)
  File "/home/certik/repos/spack/opt/spack/linux-ubuntu16-x86_64/gcc-5.4.0/python-2.7.13-5gx5sb5s5ns2cmne3qwnl632omokfdqu/lib/python2.7/distutils/dist.py", line 972, in run_command
    cmd_obj.run()
  File "/home/certik/tmp/spack-stage/spack-stage-s7SfUD/notebook-4.2.3/setupbase.py", line 549, in run
    raise e
subprocess.CalledProcessError: Command '['npm', 'install']' returned non-zero exit status 127

spack install -j16 py-jupyter-notebook %[email protected]