Tensroflow error: cannot import name 'anchor_generator_pb2'

When Tensorflow models using object-detection environment configuration, an error is encountered can not import name 'anchor_generator_pb2'

Solution:

(1) refer to this blog: https://blog.csdn.net/qq_22910255/article/details/80516554  If you have reported the same error for 2 steps

(2) at a first research directory python setup.py install command line before proceeding to test