def optimizer_step(
        self,
        optimizer: Optimizable,
        **kwargs: Any,
    ) -> Any:
        """Performs the actual optimizer step.

        Args:
            optimizer: the optimizer performing the step
            **kwargs: Any extra arguments to ``optimizer.step``

        """
        return self.precision.optimizer_step(optimizer, **kwargs)
Performs the actual optimizer step.

        Args:
            optimizer: the optimizer performing the step
            **kwargs: Any extra arguments to ``optimizer.step``

        
src/lightning/fabric/strategies/strategy.py