Installing collected packages: setuptools, markdown, protobuf, grpcio, tensorboard, wrapt, tensorflow-estimator, google-pasta, termcolor, astor, tensorflow
Found existing installation: setuptools 40.2.0
Uninstalling setuptools-40.2.0:
Successfully uninstalled setuptools-40.2.0
Found existing installation: wrapt 1.10.11
ERROR: Cannot uninstall 'wrapt'. 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.
解决方案：
删除'wrapt..egg-info'文件，然后就不会报错啦。
参考资料来源：