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fixes DQN run_n_episodes using the wrong environment variable #525

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merged 2 commits into from Jan 18, 2021
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fixes DQN run_n_episodes using the wrong environment variable #525

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55f650d
use argument variable instead of self variable
sidhantls Jan 18, 2021
e43ff17
chlog
Borda Jan 18, 2021
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -56,6 +56,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- Fixed the end of batch size mismatch ([#389](https://github.com/PyTorchLightning/pytorch-lightning-bolts/pull/389))
- Fixed `batch_size` parameter for DataModules remaining ([#344](https://github.com/PyTorchLightning/pytorch-lightning-bolts/pull/344))
- Fixed CIFAR `num_samples` ([#432](https://github.com/PyTorchLightning/pytorch-lightning-bolts/pull/432))
- Fixed DQN `run_n_episodes` using the wrong environment variable ([#525](https://github.com/PyTorchLightning/pytorch-lightning-bolts/pull/525))

## [0.2.5] - 2020-10-12

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2 changes: 1 addition & 1 deletion pl_bolts/models/rl/dqn_model.py
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Expand Up @@ -171,7 +171,7 @@ def run_n_episodes(self, env, n_epsiodes: int = 1, epsilon: float = 1.0) -> List
while not done:
self.agent.epsilon = epsilon
action = self.agent(episode_state, self.device)
next_state, reward, done, _ = self.env.step(action[0])
next_state, reward, done, _ = env.step(action[0])
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shall we also assign the env back, self.env = env?

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@sidhantls sidhantls Jan 18, 2021 •
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if we assign the test env to self.env in test_step, when training is done after testing, it'll use the test env (without seed) instead of what it was initialized with for training (env with seed)

episode_state = next_state
episode_reward += reward

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