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[Feature] Macro-actions for LLMs #2831

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5 changes: 4 additions & 1 deletion torchrl/modules/tensordict_module/actors.py
Original file line number Diff line number Diff line change
Expand Up @@ -2371,7 +2371,10 @@ def forward(
action_entry = parent_td.get(action_key_orig[-1], None)
if action_entry is None:
raise self._NO_INIT_ERR
if self.n_steps is not None and action_entry.shape[parent_td.ndim] != self.n_steps:
if (
self.n_steps is not None
and action_entry.shape[parent_td.ndim] != self.n_steps
):
raise RuntimeError(
f"The action's time dimension (dim={parent_td.ndim}) doesn't match the n_steps argument ({self.n_steps}). "
f"The action shape was {action_entry.shape}."
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