xgboost installation issue with anaconda

Question

I am using Anaconda. I first switched to Python2 (Version 2.7.11).

python -V
Python 2.7.11 :: Continuum Analytics, Inc.

I used the followin

Answer 1

I had the same error. I completely uninstalled xgboost by pip unistall. then installed it back by:

conda install -c bioconda xgboost=0.6a2

This seems to solve the problem