1. Failed to load the native TensorFlow runtime

1.1. 问题现象

pip3 install tensorflow后import tensorflow时报以下错误：
Failed to load the native TensorFlow runtime

tensorflow版本：2.3.1
python版本:3.7

1.2. 解决方法

安装Visual C ++ Redistributate 2015 x64，地址： https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads