python, numpy 1.14 and 1.14.1

IanMacLeod

Python scripts may emit a warning like "RuntimeWarning: invalid value encountered in reduce" from numpy _methods.py. This seems to be a non-destructive bug in numpy 1.14.

If you are getting the message and you don't want to you can install numpy 1.13:

pip install numpy==1.13


See https://github.com/numpy/numpy/issues/10370 if to track progress on the scipy team addressing this.