Installing Tensorflow 1.10 on El Capitan 10.11.6
I think there is something wrong with TensorFlow 1.10 and OS X El Capitan (10.11.6)!
Just install 1.9.0 instead of 1.10 with the pip command:
pip3 install tensorflow==1.9.0
or its GPU version:
pip3 install tensorflow-gpu==1.9.0
It seems to be a version conflict. I can succesfully run Tensorflow 1.9.