ERROR: Cannot uninstall 'tornado'
ERROR: Cannot uninstall 'tornado'. 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.
pip install --ignore-installed <库名>
ERROR:tensorboard 2.0.2 has requirement grpcio>=1.24.3
ERROR: tensorboard 2.0.2 has requirement grpcio>=1.24.3, but you'll have grpcio 1.13.0 which is incompatible.
pip install --upgrade grpcio
jupyter 制作slide报错
命令：
jupyter nbconvert *.ipynb --to slides --post serve
报错：AttributeError: module 'tornado.web' has no attribute 'asynchronous'
原因是tornado 版本问题，降级回到5.1.1再运行命令即可成功
Deprecated since version 5.1: This decorator is deprecated and will be removed in Tornado 6.0. Use coroutines instead.
pip uninstall tornado
pip install tornado==5.1.1
