ModuleNotFoundError: No module named 'skbuild'

[AlexanderSenf]

This happens when I try to build the XBrain Docker image:

Best match: blosc 1.9.0
Processing blosc-1.9.0.tar.gz
Writing /tmp/easy_install-0ynohjo8/blosc-1.9.0/setup.cfg
Running blosc-1.9.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-0ynohjo8/blosc-1.9.0/egg-dist-tmp-y7gzbzg1
Traceback (most recent call last):
  File "/opt/conda/lib/python3.6/site-packages/setuptools/sandbox.py", line 154, in save_modules
    yield saved
  File "/opt/conda/lib/python3.6/site-packages/setuptools/sandbox.py", line 195, in setup_context
    yield
  File "/opt/conda/lib/python3.6/site-packages/setuptools/sandbox.py", line 250, in run_setup
    _execfile(setup_script, ns)
  File "/opt/conda/lib/python3.6/site-packages/setuptools/sandbox.py", line 45, in _execfile
    exec(code, globals, locals)
  File "/tmp/easy_install-0ynohjo8/blosc-1.9.0/setup.py", line 18, in <module>
    # get the dependencies and installs
ModuleNotFoundError: No module named 'skbuild'

It happens while building in on a Mac as well as Ubuntu 18.