mirror of
https://github.com/vale981/ray
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35 lines
985 B
Python
Executable file
35 lines
985 B
Python
Executable file
#!/usr/bin/env python
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import os
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import sys
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if __name__ == "__main__":
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# Do not import torch for testing purposes.
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os.environ["RLLIB_TEST_NO_TORCH_IMPORT"] = "1"
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from ray.rllib.agents.a3c import A2CTrainer
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assert "torch" not in sys.modules, \
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"`torch` initially present, when it shouldn't!"
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# Note: No ray.init(), to test it works without Ray
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trainer = A2CTrainer(
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env="CartPole-v0",
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config={
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"framework": "tf",
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"num_workers": 0,
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# Disable the logger due to a sort-import attempt of torch
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# inside the tensorboardX.SummaryWriter class.
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"logger_config": {
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"type": "ray.tune.logger.NoopLogger",
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},
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})
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trainer.train()
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assert "torch" not in sys.modules, \
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"`torch` should not be imported after creating and " \
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"training A3CTrainer!"
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# Clean up.
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del os.environ["RLLIB_TEST_NO_TORCH_IMPORT"]
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print("ok")
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