python2.7 -m pip install https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-0.5.0-cp27-none-linux_x86_64.whl
然而当用keras后会出现这样的问题
ImportError: No module named tensor_array_ops
因为tensorflow的版本太老l.
然后 下载了 tensorflow-0.12.1-cp27-cp27mu-manylinux1_x86_64
再次引入keras ok~原文：http://www.cnblogs.com/chenbokai/p/6481705.html