Python client freezes if reset() called instantly after creating UnityEnvironment

[SSS135]

from unityagents import UnityEnvironment
env = UnityEnvironment(file_name='3DBall')
env.reset()

This code freezes python client 4 of 5 times. If env.reset() is called with some delay (~2 seconds), everything will work as expected. This may happen because python client starting communication before game is fully loaded.
Tested on Python 3.6 / Jupyter / Windows 10 x64.

[awjuliani]

Hi @SSS135,

Does this happen both from Jupyter and directly running ppo.py from the command line? It may be Windows-specific behavior, in which case we can add a wait-timer for the "made with Unity" screen to finish before initializing the socket.

[lock]

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