python version >= 3.6 but <= 3.7.x
numpy 1.19.5
Flask 2.0.3
tensorflow 1.5.0
tensorflow-tensorboard 1.5.1
Q1
error like
your generated code is out of date and must be regenerated with protoc >= 3.19.0
A1
re-install the protobuf
pip install protobuf==3.19.0