[pre-commit.ci] auto fixes from pre-commit.com hooks

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src/pytorch_lightning/utilities/model_summary/model_summary.py

@@ -189,7 +189,11 @@ def __init__(self, model: "pl.LightningModule", max_depth: int = 1) -> None:
         self._layer_summary = self.summarize()
         # 1 byte -> 8 bits
         # TODO: how do we compute precision_megabytes in case of mixed precision?
-        precision = self._model.trainer.precision if self._model._trainer is not None and isinstance(self._model.trainer.precision, int) else 32
+        precision = (
+            self._model.trainer.precision
+            if self._model._trainer is not None and isinstance(self._model.trainer.precision, int)
+            else 32
+        )
         self._precision_megabytes = (precision / 8.0) * 1e-6
 
     @property