tensorflow showing error when using -onnx

[anabwan]

Summary: I tried to add "-onnx" for tensorflow framework, and got an error during the experiment run.

Command line: python3 rl_coach/coach.py -p CartPole_A3C -e ONNXTest -n 2 -ew -onnx -s 5

please note that the without onnx argument, there is not errors.

also, when checkpoint saved I got 2 duplicate INFO messages: