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

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Author: pre-commit-ci[bot]

src/lightning/fabric/utilities/seed.py

@@ -91,7 +91,9 @@ def pl_worker_init_function(worker_id: int, rank: Optional[int] = None) -> None:
 
     """
     # implementation notes: https://github.com/pytorch/pytorch/issues/5059#issuecomment-817392562
-    assert "PL_GLOBAL_SEED" in os.environ, "`seed_everything(seed, workers=True)` must be called before training to use this function."
+    assert (
+        "PL_GLOBAL_SEED" in os.environ
+    ), "`seed_everything(seed, workers=True)` must be called before training to use this function."
     global_rank = rank if rank is not None else rank_zero_only.rank
     process_seed = int(os.environ["PL_GLOBAL_SEED"])
     # back out the base seed so we can use all the bits