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[BugFix] Additive gaussian exploration spec fix #560

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Merged
merged 1 commit into from
Oct 12, 2022
Merged

[BugFix] Additive gaussian exploration spec fix #560

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4 changes: 2 additions & 2 deletions torchrl/modules/tensordict_module/exploration.py
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Original file line number Diff line number Diff line change
Expand Up @@ -209,9 +209,9 @@ def _add_noise(self, action: torch.Tensor) -> torch.Tensor:
noise = torch.randn(action.shape, device=action.device) * sigma
action = action + noise
spec = self.spec
if isinstance(spec, CompositeSpec):
spec = spec[self.action_key]
if spec is not None:
if isinstance(spec, CompositeSpec):
spec = spec[self.action_key]
action = spec.project(action)
elif self.safe:
raise RuntimeError(
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