Cannot uninstall 'enum34'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.

更新tensorflow时遇到报错

Found existing installation: enum34 1.0.4
Cannot uninstall 'enum34'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall.

解决方法如下：

pip install enum34 --upgrade  --ignore-installed

成功升级enum34模块到最新版本，然后顺利升级TensorFlow：

pip install tensorflow --upgrade