Sergey Karpov

Exactly - it will not work with `python setup.py install` installation method anymore, which is a bit counter-intuitive I think.

No, of course not. So most probably the reason is what esutil does not list numpy as its dependency (it is commented out in setup.py?..) This really breaks things when...

It does not actually solve the problem completely - as the test for whether numpy is installed happens before setup.py actually installs it as a requirement. Probably it might be...