问题描述：为了把之前的CPU版本的tensorflow卸载，换成GPU版本的tensorflow，经历了一番折腾。
BUG1 Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问
看指向的路径，感觉是在安装路径的site-packages中已经存在tensorflow文件夹了，但是执行
pip uninstall tensorflow
却提示没有安装，于是手动删除该文件夹，重新安装，此bug修复。
B
ImportError: DLL load failed: 找不到指定的模块。
…
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File “******”, line 1, in
import tensorflow as tf
File “E:\Anaconda3\lib\site-packages\tensorflow_init_.
