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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/lightning/pytorch/callbacks/pruning.py

@@ -288,6 +288,7 @@ def _deepcopy_for_pruning(module: nn.Module) -> nn.Module:
         This helper temporarily replaces every non-leaf parameter with a
         detached clone, performs the deep-copy, then restores the originals so
         the live model is unchanged.
+
         """
         non_leaf: dict[str, Tensor] = {}
         for param_name, param in list(module._parameters.items()):

tests/tests_pytorch/callbacks/test_pruning.py

@@ -554,10 +554,11 @@ def forward(self, x):
 
 
 def test_iterative_pruning_no_runtime_error(tmp_path):
-    """Reusing a ModelPruning callback with use_lottery_ticket_hypothesis across multiple trainer.fit()
-    calls must not raise RuntimeError due to non-leaf tensors.
+    """Reusing a ModelPruning callback with use_lottery_ticket_hypothesis across multiple trainer.fit() calls must not
+    raise RuntimeError due to non-leaf tensors.
 
     Regression test for https://github.com/Lightning-AI/pytorch-lightning/issues/8542
+
     """
     seed_everything(42)