for the problem ImportError: cannot import name symbol_database 'text_format'

Problem:

ImportError: cannot import name symbol_database

Solution:

sudo pip install --upgrade protobuf

参考链接：

https://github.com/tgalal/yowsup/issues/503

这样又回到了这个问题：

AttributeError: 'module' object has no attribute 'text_format'

Solution:

solved by adding import google.protobuf.text_format

在./lib/fast_rcnn/train.py头部添加import google.protobuf.text_format

 

参考链接：

https://github.com/rbgirshick/py-faster-rcnn/issues/198