rllib/policy/torch_policy.py
def extra_compute_grad_fetches(self) -> Dict[str, Any]:
        """Extra values to fetch and return from compute_gradients().

        Returns:
            Extra fetch dict to be added to the fetch dict of the
            `compute_gradients` call.
        """
        return {LEARNER_STATS_KEY: {}}
Extra values to fetch and return from compute_gradients().

        Returns:
            Extra fetch dict to be added to the fetch dict of the
            `compute_gradients` call.
        
Extra values to fetch and return from compute_gradients().
Extra values to fetch and return from compute_gradients () .
def extra_compute_grad_fetches(self) -> Dict[str, Any]:
        return {LEARNER_STATS_KEY: {}}
def extra_compute_grad_fetches ( self ) -> Dict [ str , Any ] : return { LEARNER_STATS_KEY : { } }
Extra values to fetch and return from compute_gradients().
Extra values to fetch and return from compute_gradients () .
"""Extra values to fetch and return from compute_gradients().

        Returns:
            Extra fetch dict to be added to the fetch dict of the
            `compute_gradients` call.
        """
Extra fetch dict to be added to the fetch dict of the
`compute_gradients` call.
Extra fetch dict to be added to the fetch dict of the ` compute_gradients ` call .
self