setup.py calls for "sklearn," which is a deprecated alias for "scikit-learn"

[combs]

pyconstruct/setup.py

Line 59 in f7174b0

'numpy', 'scipy', 'sklearn', 'pymzn', 'appdirs', 'jinja2', 'cachetools'

Here's a description of the problem--
https://pypi.org/project/sklearn/

In essence, it seems like sklearn should be replaced by scikit-learn

Thanks,
Chris