Install Tensorflow on Mac without GPU support with virtualenv

[jinzishuai]

https://www.tensorflow.org/install/install_mac Notes: As of version 1.2, TensorFlow no longer provides GPU support on macOS.

[jinzishuai]

for python2.7

• [x] sudo easy_install pip
• [x] sudo pip install --upgrade virtualenv
• [x] virtualenv --system-site-packages ~/tensorflow
• [x] source ~/tensorflow/bin/activate
• [x] (tensorflow)$ pip install --upgrade tensorflow